mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-19 23:37:31 -07:00
14e3c05ce8
Add support for ingesting OOO native histograms * Add flag for enabling and disabling OOO native histogram ingestion * Update OOO querying tests to include native histogram samples * Add OOO head tests * Add test for OOO native histogram counter reset headers Signed-off-by: Carrie Edwards <edwrdscarrie@gmail.com> Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com> Co-authored by: Carrie Edwards <edwrdscarrie@gmail.com> Co-authored by: Jeanette Tan <jeanette.tan@grafana.com> Co-authored by: György Krajcsovits <gyorgy.krajcsovits@grafana.com> Co-authored by: Fiona Liao <fiona.liao@grafana.com>
8859 lines
282 KiB
Go
8859 lines
282 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tsdb
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import (
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"bufio"
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"context"
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"encoding/binary"
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"flag"
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"fmt"
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"hash/crc32"
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"math"
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"math/rand"
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"os"
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"path"
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"path/filepath"
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"runtime"
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"sort"
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"strconv"
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"sync"
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"testing"
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"time"
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"github.com/go-kit/log"
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"github.com/oklog/ulid"
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"github.com/prometheus/client_golang/prometheus"
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prom_testutil "github.com/prometheus/client_golang/prometheus/testutil"
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"github.com/stretchr/testify/require"
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"go.uber.org/atomic"
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"go.uber.org/goleak"
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/model/histogram"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/prometheus/prometheus/model/metadata"
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"github.com/prometheus/prometheus/storage"
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"github.com/prometheus/prometheus/tsdb/chunkenc"
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"github.com/prometheus/prometheus/tsdb/chunks"
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"github.com/prometheus/prometheus/tsdb/fileutil"
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"github.com/prometheus/prometheus/tsdb/index"
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"github.com/prometheus/prometheus/tsdb/record"
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"github.com/prometheus/prometheus/tsdb/tombstones"
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"github.com/prometheus/prometheus/tsdb/tsdbutil"
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"github.com/prometheus/prometheus/tsdb/wlog"
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"github.com/prometheus/prometheus/util/annotations"
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"github.com/prometheus/prometheus/util/testutil"
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)
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func TestMain(m *testing.M) {
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var isolationEnabled bool
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flag.BoolVar(&isolationEnabled, "test.tsdb-isolation", true, "enable isolation")
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flag.Parse()
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defaultIsolationDisabled = !isolationEnabled
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goleak.VerifyTestMain(m,
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goleak.IgnoreTopFunction("github.com/prometheus/prometheus/tsdb.(*SegmentWAL).cut.func1"),
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goleak.IgnoreTopFunction("github.com/prometheus/prometheus/tsdb.(*SegmentWAL).cut.func2"),
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goleak.IgnoreTopFunction("go.opencensus.io/stats/view.(*worker).start"))
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}
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func openTestDB(t testing.TB, opts *Options, rngs []int64) (db *DB) {
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tmpdir := t.TempDir()
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var err error
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if opts == nil {
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opts = DefaultOptions()
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}
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opts.EnableNativeHistograms = true
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if len(rngs) == 0 {
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db, err = Open(tmpdir, nil, nil, opts, nil)
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} else {
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opts, rngs = validateOpts(opts, rngs)
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db, err = open(tmpdir, nil, nil, opts, rngs, nil)
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}
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require.NoError(t, err)
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// Do not Close() the test database by default as it will deadlock on test failures.
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return db
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}
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// query runs a matcher query against the querier and fully expands its data.
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func query(t testing.TB, q storage.Querier, matchers ...*labels.Matcher) map[string][]chunks.Sample {
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ss := q.Select(context.Background(), false, nil, matchers...)
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defer func() {
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require.NoError(t, q.Close())
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}()
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var it chunkenc.Iterator
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result := map[string][]chunks.Sample{}
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for ss.Next() {
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series := ss.At()
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it = series.Iterator(it)
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samples, err := storage.ExpandSamples(it, newSample)
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require.NoError(t, err)
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require.NoError(t, it.Err())
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if len(samples) == 0 {
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continue
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}
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name := series.Labels().String()
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result[name] = samples
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}
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require.NoError(t, ss.Err())
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require.Empty(t, ss.Warnings())
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return result
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}
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// queryAndExpandChunks runs a matcher query against the querier and fully expands its data into samples.
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func queryAndExpandChunks(t testing.TB, q storage.ChunkQuerier, matchers ...*labels.Matcher) map[string][][]chunks.Sample {
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s := queryChunks(t, q, matchers...)
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res := make(map[string][][]chunks.Sample)
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for k, v := range s {
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var samples [][]chunks.Sample
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for _, chk := range v {
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sam, err := storage.ExpandSamples(chk.Chunk.Iterator(nil), nil)
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require.NoError(t, err)
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samples = append(samples, sam)
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}
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res[k] = samples
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}
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return res
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}
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// queryChunks runs a matcher query against the querier and expands its data.
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func queryChunks(t testing.TB, q storage.ChunkQuerier, matchers ...*labels.Matcher) map[string][]chunks.Meta {
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ss := q.Select(context.Background(), false, nil, matchers...)
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defer func() {
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require.NoError(t, q.Close())
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}()
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var it chunks.Iterator
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result := map[string][]chunks.Meta{}
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for ss.Next() {
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series := ss.At()
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chks := []chunks.Meta{}
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it = series.Iterator(it)
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for it.Next() {
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chks = append(chks, it.At())
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}
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require.NoError(t, it.Err())
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if len(chks) == 0 {
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continue
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}
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name := series.Labels().String()
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result[name] = chks
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}
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require.NoError(t, ss.Err())
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require.Empty(t, ss.Warnings())
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return result
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}
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// Ensure that blocks are held in memory in their time order
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// and not in ULID order as they are read from the directory.
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func TestDB_reloadOrder(t *testing.T) {
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db := openTestDB(t, nil, nil)
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defer func() {
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require.NoError(t, db.Close())
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}()
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metas := []BlockMeta{
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{MinTime: 90, MaxTime: 100},
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{MinTime: 70, MaxTime: 80},
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{MinTime: 100, MaxTime: 110},
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}
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for _, m := range metas {
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createBlock(t, db.Dir(), genSeries(1, 1, m.MinTime, m.MaxTime))
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}
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require.NoError(t, db.reloadBlocks())
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blocks := db.Blocks()
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require.Len(t, blocks, 3)
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require.Equal(t, metas[1].MinTime, blocks[0].Meta().MinTime)
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require.Equal(t, metas[1].MaxTime, blocks[0].Meta().MaxTime)
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require.Equal(t, metas[0].MinTime, blocks[1].Meta().MinTime)
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require.Equal(t, metas[0].MaxTime, blocks[1].Meta().MaxTime)
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require.Equal(t, metas[2].MinTime, blocks[2].Meta().MinTime)
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require.Equal(t, metas[2].MaxTime, blocks[2].Meta().MaxTime)
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}
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func TestDataAvailableOnlyAfterCommit(t *testing.T) {
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db := openTestDB(t, nil, nil)
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defer func() {
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require.NoError(t, db.Close())
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}()
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ctx := context.Background()
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app := db.Appender(ctx)
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_, err := app.Append(0, labels.FromStrings("foo", "bar"), 0, 0)
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require.NoError(t, err)
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querier, err := db.Querier(0, 1)
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require.NoError(t, err)
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seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
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require.Equal(t, map[string][]chunks.Sample{}, seriesSet)
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err = app.Commit()
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require.NoError(t, err)
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querier, err = db.Querier(0, 1)
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require.NoError(t, err)
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defer querier.Close()
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seriesSet = query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
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require.Equal(t, map[string][]chunks.Sample{`{foo="bar"}`: {sample{t: 0, f: 0}}}, seriesSet)
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}
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// TestNoPanicAfterWALCorruption ensures that querying the db after a WAL corruption doesn't cause a panic.
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// https://github.com/prometheus/prometheus/issues/7548
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func TestNoPanicAfterWALCorruption(t *testing.T) {
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db := openTestDB(t, &Options{WALSegmentSize: 32 * 1024}, nil)
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// Append until the first mmapped head chunk.
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// This is to ensure that all samples can be read from the mmapped chunks when the WAL is corrupted.
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var expSamples []chunks.Sample
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var maxt int64
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ctx := context.Background()
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{
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// Appending 121 samples because on the 121st a new chunk will be created.
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for i := 0; i < 121; i++ {
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app := db.Appender(ctx)
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_, err := app.Append(0, labels.FromStrings("foo", "bar"), maxt, 0)
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expSamples = append(expSamples, sample{t: maxt, f: 0})
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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maxt++
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}
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require.NoError(t, db.Close())
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}
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// Corrupt the WAL after the first sample of the series so that it has at least one sample and
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// it is not garbage collected.
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// The repair deletes all WAL records after the corrupted record and these are read from the mmapped chunk.
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{
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walFiles, err := os.ReadDir(path.Join(db.Dir(), "wal"))
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require.NoError(t, err)
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f, err := os.OpenFile(path.Join(db.Dir(), "wal", walFiles[0].Name()), os.O_RDWR, 0o666)
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require.NoError(t, err)
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r := wlog.NewReader(bufio.NewReader(f))
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require.True(t, r.Next(), "reading the series record")
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require.True(t, r.Next(), "reading the first sample record")
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// Write an invalid record header to corrupt everything after the first wal sample.
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_, err = f.WriteAt([]byte{99}, r.Offset())
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require.NoError(t, err)
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f.Close()
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}
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// Query the data.
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{
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db, err := Open(db.Dir(), nil, nil, nil, nil)
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require.NoError(t, err)
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defer func() {
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require.NoError(t, db.Close())
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}()
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require.Equal(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.walCorruptionsTotal), "WAL corruption count mismatch")
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querier, err := db.Querier(0, maxt)
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require.NoError(t, err)
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seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "", ""))
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// The last sample should be missing as it was after the WAL segment corruption.
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require.Equal(t, map[string][]chunks.Sample{`{foo="bar"}`: expSamples[0 : len(expSamples)-1]}, seriesSet)
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}
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}
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func TestDataNotAvailableAfterRollback(t *testing.T) {
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db := openTestDB(t, nil, nil)
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defer func() {
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require.NoError(t, db.Close())
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}()
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app := db.Appender(context.Background())
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_, err := app.Append(0, labels.FromStrings("foo", "bar"), 0, 0)
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require.NoError(t, err)
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err = app.Rollback()
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require.NoError(t, err)
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querier, err := db.Querier(0, 1)
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require.NoError(t, err)
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defer querier.Close()
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seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
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require.Equal(t, map[string][]chunks.Sample{}, seriesSet)
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}
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func TestDBAppenderAddRef(t *testing.T) {
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db := openTestDB(t, nil, nil)
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defer func() {
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require.NoError(t, db.Close())
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}()
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ctx := context.Background()
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app1 := db.Appender(ctx)
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ref1, err := app1.Append(0, labels.FromStrings("a", "b"), 123, 0)
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require.NoError(t, err)
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// Reference should already work before commit.
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ref2, err := app1.Append(ref1, labels.EmptyLabels(), 124, 1)
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require.NoError(t, err)
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require.Equal(t, ref1, ref2)
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err = app1.Commit()
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require.NoError(t, err)
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app2 := db.Appender(ctx)
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// first ref should already work in next transaction.
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ref3, err := app2.Append(ref1, labels.EmptyLabels(), 125, 0)
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require.NoError(t, err)
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require.Equal(t, ref1, ref3)
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ref4, err := app2.Append(ref1, labels.FromStrings("a", "b"), 133, 1)
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require.NoError(t, err)
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require.Equal(t, ref1, ref4)
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// Reference must be valid to add another sample.
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ref5, err := app2.Append(ref2, labels.EmptyLabels(), 143, 2)
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require.NoError(t, err)
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require.Equal(t, ref1, ref5)
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// Missing labels & invalid refs should fail.
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_, err = app2.Append(9999999, labels.EmptyLabels(), 1, 1)
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require.ErrorIs(t, err, ErrInvalidSample)
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require.NoError(t, app2.Commit())
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q, err := db.Querier(0, 200)
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require.NoError(t, err)
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res := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
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require.Equal(t, map[string][]chunks.Sample{
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labels.FromStrings("a", "b").String(): {
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sample{t: 123, f: 0},
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sample{t: 124, f: 1},
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sample{t: 125, f: 0},
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sample{t: 133, f: 1},
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sample{t: 143, f: 2},
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},
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}, res)
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}
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func TestAppendEmptyLabelsIgnored(t *testing.T) {
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db := openTestDB(t, nil, nil)
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defer func() {
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require.NoError(t, db.Close())
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}()
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ctx := context.Background()
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app1 := db.Appender(ctx)
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ref1, err := app1.Append(0, labels.FromStrings("a", "b"), 123, 0)
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require.NoError(t, err)
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// Add with empty label.
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ref2, err := app1.Append(0, labels.FromStrings("a", "b", "c", ""), 124, 0)
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require.NoError(t, err)
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// Should be the same series.
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require.Equal(t, ref1, ref2)
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err = app1.Commit()
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require.NoError(t, err)
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}
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func TestDeleteSimple(t *testing.T) {
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const numSamples int64 = 10
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cases := []struct {
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Intervals tombstones.Intervals
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remaint []int64
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}{
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{
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Intervals: tombstones.Intervals{{Mint: 0, Maxt: 3}},
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remaint: []int64{4, 5, 6, 7, 8, 9},
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},
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{
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Intervals: tombstones.Intervals{{Mint: 1, Maxt: 3}},
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remaint: []int64{0, 4, 5, 6, 7, 8, 9},
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},
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{
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Intervals: tombstones.Intervals{{Mint: 1, Maxt: 3}, {Mint: 4, Maxt: 7}},
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remaint: []int64{0, 8, 9},
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},
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{
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Intervals: tombstones.Intervals{{Mint: 1, Maxt: 3}, {Mint: 4, Maxt: 700}},
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remaint: []int64{0},
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},
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{ // This case is to ensure that labels and symbols are deleted.
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Intervals: tombstones.Intervals{{Mint: 0, Maxt: 9}},
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remaint: []int64{},
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},
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}
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Outer:
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for _, c := range cases {
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db := openTestDB(t, nil, nil)
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defer func() {
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require.NoError(t, db.Close())
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}()
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ctx := context.Background()
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app := db.Appender(ctx)
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smpls := make([]float64, numSamples)
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for i := int64(0); i < numSamples; i++ {
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smpls[i] = rand.Float64()
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app.Append(0, labels.FromStrings("a", "b"), i, smpls[i])
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}
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require.NoError(t, app.Commit())
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// TODO(gouthamve): Reset the tombstones somehow.
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// Delete the ranges.
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for _, r := range c.Intervals {
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require.NoError(t, db.Delete(ctx, r.Mint, r.Maxt, labels.MustNewMatcher(labels.MatchEqual, "a", "b")))
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}
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// Compare the result.
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q, err := db.Querier(0, numSamples)
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require.NoError(t, err)
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res := q.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
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expSamples := make([]chunks.Sample, 0, len(c.remaint))
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for _, ts := range c.remaint {
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expSamples = append(expSamples, sample{ts, smpls[ts], nil, nil})
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}
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expss := newMockSeriesSet([]storage.Series{
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storage.NewListSeries(labels.FromStrings("a", "b"), expSamples),
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})
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for {
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eok, rok := expss.Next(), res.Next()
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require.Equal(t, eok, rok)
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if !eok {
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require.Empty(t, res.Warnings())
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continue Outer
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}
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sexp := expss.At()
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sres := res.At()
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require.Equal(t, sexp.Labels(), sres.Labels())
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smplExp, errExp := storage.ExpandSamples(sexp.Iterator(nil), nil)
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smplRes, errRes := storage.ExpandSamples(sres.Iterator(nil), nil)
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require.Equal(t, errExp, errRes)
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|
require.Equal(t, smplExp, smplRes)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAmendHistogramDatapointCausesError(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, labels.FromStrings("a", "b"), 0, 0)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 0, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 0, 1)
|
|
require.ErrorIs(t, err, storage.ErrDuplicateSampleForTimestamp)
|
|
require.NoError(t, app.Rollback())
|
|
|
|
h := histogram.Histogram{
|
|
Schema: 3,
|
|
Count: 52,
|
|
Sum: 2.7,
|
|
ZeroThreshold: 0.1,
|
|
ZeroCount: 42,
|
|
PositiveSpans: []histogram.Span{
|
|
{Offset: 0, Length: 4},
|
|
{Offset: 10, Length: 3},
|
|
},
|
|
PositiveBuckets: []int64{1, 2, -2, 1, -1, 0, 0},
|
|
}
|
|
fh := h.ToFloat(nil)
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.AppendHistogram(0, labels.FromStrings("a", "c"), 0, h.Copy(), nil)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.AppendHistogram(0, labels.FromStrings("a", "c"), 0, h.Copy(), nil)
|
|
require.NoError(t, err)
|
|
h.Schema = 2
|
|
_, err = app.AppendHistogram(0, labels.FromStrings("a", "c"), 0, h.Copy(), nil)
|
|
require.Equal(t, storage.ErrDuplicateSampleForTimestamp, err)
|
|
require.NoError(t, app.Rollback())
|
|
|
|
// Float histogram.
|
|
app = db.Appender(ctx)
|
|
_, err = app.AppendHistogram(0, labels.FromStrings("a", "d"), 0, nil, fh.Copy())
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.AppendHistogram(0, labels.FromStrings("a", "d"), 0, nil, fh.Copy())
|
|
require.NoError(t, err)
|
|
fh.Schema = 2
|
|
_, err = app.AppendHistogram(0, labels.FromStrings("a", "d"), 0, nil, fh.Copy())
|
|
require.Equal(t, storage.ErrDuplicateSampleForTimestamp, err)
|
|
require.NoError(t, app.Rollback())
|
|
}
|
|
|
|
func TestDuplicateNaNDatapointNoAmendError(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, labels.FromStrings("a", "b"), 0, math.NaN())
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 0, math.NaN())
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestNonDuplicateNaNDatapointsCausesAmendError(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, labels.FromStrings("a", "b"), 0, math.Float64frombits(0x7ff0000000000001))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 0, math.Float64frombits(0x7ff0000000000002))
|
|
require.ErrorIs(t, err, storage.ErrDuplicateSampleForTimestamp)
|
|
}
|
|
|
|
func TestEmptyLabelsetCausesError(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, labels.Labels{}, 0, 0)
|
|
require.Error(t, err)
|
|
require.Equal(t, "empty labelset: invalid sample", err.Error())
|
|
}
|
|
|
|
func TestSkippingInvalidValuesInSameTxn(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Append AmendedValue.
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, labels.FromStrings("a", "b"), 0, 1)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 0, 2)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Make sure the right value is stored.
|
|
q, err := db.Querier(0, 10)
|
|
require.NoError(t, err)
|
|
|
|
ssMap := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
|
|
|
|
require.Equal(t, map[string][]chunks.Sample{
|
|
labels.New(labels.Label{Name: "a", Value: "b"}).String(): {sample{0, 1, nil, nil}},
|
|
}, ssMap)
|
|
|
|
// Append Out of Order Value.
|
|
app = db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 10, 3)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 7, 5)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
q, err = db.Querier(0, 10)
|
|
require.NoError(t, err)
|
|
|
|
ssMap = query(t, q, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
|
|
|
|
require.Equal(t, map[string][]chunks.Sample{
|
|
labels.New(labels.Label{Name: "a", Value: "b"}).String(): {sample{0, 1, nil, nil}, sample{10, 3, nil, nil}},
|
|
}, ssMap)
|
|
}
|
|
|
|
func TestDB_Snapshot(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
|
|
// append data
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
mint := int64(1414141414000)
|
|
for i := 0; i < 1000; i++ {
|
|
_, err := app.Append(0, labels.FromStrings("foo", "bar"), mint+int64(i), 1.0)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// create snapshot
|
|
snap := t.TempDir()
|
|
require.NoError(t, db.Snapshot(snap, true))
|
|
require.NoError(t, db.Close())
|
|
|
|
// reopen DB from snapshot
|
|
db, err := Open(snap, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, db.Close()) }()
|
|
|
|
querier, err := db.Querier(mint, mint+1000)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, querier.Close()) }()
|
|
|
|
// sum values
|
|
seriesSet := querier.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
var series chunkenc.Iterator
|
|
sum := 0.0
|
|
for seriesSet.Next() {
|
|
series = seriesSet.At().Iterator(series)
|
|
for series.Next() == chunkenc.ValFloat {
|
|
_, v := series.At()
|
|
sum += v
|
|
}
|
|
require.NoError(t, series.Err())
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Empty(t, seriesSet.Warnings())
|
|
require.Equal(t, 1000.0, sum)
|
|
}
|
|
|
|
// TestDB_Snapshot_ChunksOutsideOfCompactedRange ensures that a snapshot removes chunks samples
|
|
// that are outside the set block time range.
|
|
// See https://github.com/prometheus/prometheus/issues/5105
|
|
func TestDB_Snapshot_ChunksOutsideOfCompactedRange(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
mint := int64(1414141414000)
|
|
for i := 0; i < 1000; i++ {
|
|
_, err := app.Append(0, labels.FromStrings("foo", "bar"), mint+int64(i), 1.0)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
snap := t.TempDir()
|
|
|
|
// Hackingly introduce "race", by having lower max time then maxTime in last chunk.
|
|
db.head.maxTime.Sub(10)
|
|
|
|
require.NoError(t, db.Snapshot(snap, true))
|
|
require.NoError(t, db.Close())
|
|
|
|
// Reopen DB from snapshot.
|
|
db, err := Open(snap, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, db.Close()) }()
|
|
|
|
querier, err := db.Querier(mint, mint+1000)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, querier.Close()) }()
|
|
|
|
// Sum values.
|
|
seriesSet := querier.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
var series chunkenc.Iterator
|
|
sum := 0.0
|
|
for seriesSet.Next() {
|
|
series = seriesSet.At().Iterator(series)
|
|
for series.Next() == chunkenc.ValFloat {
|
|
_, v := series.At()
|
|
sum += v
|
|
}
|
|
require.NoError(t, series.Err())
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Empty(t, seriesSet.Warnings())
|
|
|
|
// Since we snapshotted with MaxTime - 10, so expect 10 less samples.
|
|
require.Equal(t, 1000.0-10, sum)
|
|
}
|
|
|
|
func TestDB_SnapshotWithDelete(t *testing.T) {
|
|
const numSamples int64 = 10
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() { require.NoError(t, db.Close()) }()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
|
|
smpls := make([]float64, numSamples)
|
|
for i := int64(0); i < numSamples; i++ {
|
|
smpls[i] = rand.Float64()
|
|
app.Append(0, labels.FromStrings("a", "b"), i, smpls[i])
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
cases := []struct {
|
|
intervals tombstones.Intervals
|
|
remaint []int64
|
|
}{
|
|
{
|
|
intervals: tombstones.Intervals{{Mint: 1, Maxt: 3}, {Mint: 4, Maxt: 7}},
|
|
remaint: []int64{0, 8, 9},
|
|
},
|
|
}
|
|
|
|
Outer:
|
|
for _, c := range cases {
|
|
// TODO(gouthamve): Reset the tombstones somehow.
|
|
// Delete the ranges.
|
|
for _, r := range c.intervals {
|
|
require.NoError(t, db.Delete(ctx, r.Mint, r.Maxt, labels.MustNewMatcher(labels.MatchEqual, "a", "b")))
|
|
}
|
|
|
|
// create snapshot
|
|
snap := t.TempDir()
|
|
|
|
require.NoError(t, db.Snapshot(snap, true))
|
|
|
|
// reopen DB from snapshot
|
|
newDB, err := Open(snap, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, newDB.Close()) }()
|
|
|
|
// Compare the result.
|
|
q, err := newDB.Querier(0, numSamples)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, q.Close()) }()
|
|
|
|
res := q.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
|
|
|
|
expSamples := make([]chunks.Sample, 0, len(c.remaint))
|
|
for _, ts := range c.remaint {
|
|
expSamples = append(expSamples, sample{ts, smpls[ts], nil, nil})
|
|
}
|
|
|
|
expss := newMockSeriesSet([]storage.Series{
|
|
storage.NewListSeries(labels.FromStrings("a", "b"), expSamples),
|
|
})
|
|
|
|
if len(expSamples) == 0 {
|
|
require.False(t, res.Next())
|
|
continue
|
|
}
|
|
|
|
for {
|
|
eok, rok := expss.Next(), res.Next()
|
|
require.Equal(t, eok, rok)
|
|
|
|
if !eok {
|
|
require.Empty(t, res.Warnings())
|
|
continue Outer
|
|
}
|
|
sexp := expss.At()
|
|
sres := res.At()
|
|
|
|
require.Equal(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := storage.ExpandSamples(sexp.Iterator(nil), nil)
|
|
smplRes, errRes := storage.ExpandSamples(sres.Iterator(nil), nil)
|
|
|
|
require.Equal(t, errExp, errRes)
|
|
require.Equal(t, smplExp, smplRes)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDB_e2e(t *testing.T) {
|
|
const (
|
|
numDatapoints = 1000
|
|
numRanges = 1000
|
|
timeInterval = int64(3)
|
|
)
|
|
// Create 8 series with 1000 data-points of different ranges and run queries.
|
|
lbls := [][]labels.Label{
|
|
{
|
|
{Name: "a", Value: "b"},
|
|
{Name: "instance", Value: "localhost:9090"},
|
|
{Name: "job", Value: "prometheus"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "b"},
|
|
{Name: "instance", Value: "127.0.0.1:9090"},
|
|
{Name: "job", Value: "prometheus"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "b"},
|
|
{Name: "instance", Value: "127.0.0.1:9090"},
|
|
{Name: "job", Value: "prom-k8s"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "b"},
|
|
{Name: "instance", Value: "localhost:9090"},
|
|
{Name: "job", Value: "prom-k8s"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "c"},
|
|
{Name: "instance", Value: "localhost:9090"},
|
|
{Name: "job", Value: "prometheus"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "c"},
|
|
{Name: "instance", Value: "127.0.0.1:9090"},
|
|
{Name: "job", Value: "prometheus"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "c"},
|
|
{Name: "instance", Value: "127.0.0.1:9090"},
|
|
{Name: "job", Value: "prom-k8s"},
|
|
},
|
|
{
|
|
{Name: "a", Value: "c"},
|
|
{Name: "instance", Value: "localhost:9090"},
|
|
{Name: "job", Value: "prom-k8s"},
|
|
},
|
|
}
|
|
|
|
seriesMap := map[string][]chunks.Sample{}
|
|
for _, l := range lbls {
|
|
seriesMap[labels.New(l...).String()] = []chunks.Sample{}
|
|
}
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
|
|
for _, l := range lbls {
|
|
lset := labels.New(l...)
|
|
series := []chunks.Sample{}
|
|
|
|
ts := rand.Int63n(300)
|
|
for i := 0; i < numDatapoints; i++ {
|
|
v := rand.Float64()
|
|
|
|
series = append(series, sample{ts, v, nil, nil})
|
|
|
|
_, err := app.Append(0, lset, ts, v)
|
|
require.NoError(t, err)
|
|
|
|
ts += rand.Int63n(timeInterval) + 1
|
|
}
|
|
|
|
seriesMap[lset.String()] = series
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Query each selector on 1000 random time-ranges.
|
|
queries := []struct {
|
|
ms []*labels.Matcher
|
|
}{
|
|
{
|
|
ms: []*labels.Matcher{labels.MustNewMatcher(labels.MatchEqual, "a", "b")},
|
|
},
|
|
{
|
|
ms: []*labels.Matcher{
|
|
labels.MustNewMatcher(labels.MatchEqual, "a", "b"),
|
|
labels.MustNewMatcher(labels.MatchEqual, "job", "prom-k8s"),
|
|
},
|
|
},
|
|
{
|
|
ms: []*labels.Matcher{
|
|
labels.MustNewMatcher(labels.MatchEqual, "a", "c"),
|
|
labels.MustNewMatcher(labels.MatchEqual, "instance", "localhost:9090"),
|
|
labels.MustNewMatcher(labels.MatchEqual, "job", "prometheus"),
|
|
},
|
|
},
|
|
// TODO: Add Regexp Matchers.
|
|
}
|
|
|
|
for _, qry := range queries {
|
|
matched := labels.Slice{}
|
|
for _, l := range lbls {
|
|
s := labels.Selector(qry.ms)
|
|
ls := labels.New(l...)
|
|
if s.Matches(ls) {
|
|
matched = append(matched, ls)
|
|
}
|
|
}
|
|
|
|
sort.Sort(matched)
|
|
|
|
for i := 0; i < numRanges; i++ {
|
|
mint := rand.Int63n(300)
|
|
maxt := mint + rand.Int63n(timeInterval*int64(numDatapoints))
|
|
|
|
expected := map[string][]chunks.Sample{}
|
|
|
|
// Build the mockSeriesSet.
|
|
for _, m := range matched {
|
|
smpls := boundedSamples(seriesMap[m.String()], mint, maxt)
|
|
if len(smpls) > 0 {
|
|
expected[m.String()] = smpls
|
|
}
|
|
}
|
|
|
|
q, err := db.Querier(mint, maxt)
|
|
require.NoError(t, err)
|
|
|
|
ss := q.Select(ctx, false, nil, qry.ms...)
|
|
result := map[string][]chunks.Sample{}
|
|
|
|
for ss.Next() {
|
|
x := ss.At()
|
|
|
|
smpls, err := storage.ExpandSamples(x.Iterator(nil), newSample)
|
|
require.NoError(t, err)
|
|
|
|
if len(smpls) > 0 {
|
|
result[x.Labels().String()] = smpls
|
|
}
|
|
}
|
|
|
|
require.NoError(t, ss.Err())
|
|
require.Empty(t, ss.Warnings())
|
|
require.Equal(t, expected, result)
|
|
|
|
q.Close()
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWALFlushedOnDBClose(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
|
|
dirDb := db.Dir()
|
|
|
|
lbls := labels.FromStrings("labelname", "labelvalue")
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, lbls, 0, 1)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
require.NoError(t, db.Close())
|
|
|
|
db, err = Open(dirDb, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, db.Close()) }()
|
|
|
|
q, err := db.Querier(0, 1)
|
|
require.NoError(t, err)
|
|
|
|
values, ws, err := q.LabelValues(ctx, "labelname", nil)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, []string{"labelvalue"}, values)
|
|
}
|
|
|
|
func TestWALSegmentSizeOptions(t *testing.T) {
|
|
tests := map[int]func(dbdir string, segmentSize int){
|
|
// Default Wal Size.
|
|
0: func(dbDir string, segmentSize int) {
|
|
filesAndDir, err := os.ReadDir(filepath.Join(dbDir, "wal"))
|
|
require.NoError(t, err)
|
|
files := []os.FileInfo{}
|
|
for _, f := range filesAndDir {
|
|
if !f.IsDir() {
|
|
fi, err := f.Info()
|
|
require.NoError(t, err)
|
|
files = append(files, fi)
|
|
}
|
|
}
|
|
// All the full segment files (all but the last) should match the segment size option.
|
|
for _, f := range files[:len(files)-1] {
|
|
require.Equal(t, int64(DefaultOptions().WALSegmentSize), f.Size(), "WAL file size doesn't match WALSegmentSize option, filename: %v", f.Name())
|
|
}
|
|
lastFile := files[len(files)-1]
|
|
require.Greater(t, int64(DefaultOptions().WALSegmentSize), lastFile.Size(), "last WAL file size is not smaller than the WALSegmentSize option, filename: %v", lastFile.Name())
|
|
},
|
|
// Custom Wal Size.
|
|
2 * 32 * 1024: func(dbDir string, segmentSize int) {
|
|
filesAndDir, err := os.ReadDir(filepath.Join(dbDir, "wal"))
|
|
require.NoError(t, err)
|
|
files := []os.FileInfo{}
|
|
for _, f := range filesAndDir {
|
|
if !f.IsDir() {
|
|
fi, err := f.Info()
|
|
require.NoError(t, err)
|
|
files = append(files, fi)
|
|
}
|
|
}
|
|
require.NotEmpty(t, files, "current WALSegmentSize should result in more than a single WAL file.")
|
|
// All the full segment files (all but the last) should match the segment size option.
|
|
for _, f := range files[:len(files)-1] {
|
|
require.Equal(t, int64(segmentSize), f.Size(), "WAL file size doesn't match WALSegmentSize option, filename: %v", f.Name())
|
|
}
|
|
lastFile := files[len(files)-1]
|
|
require.Greater(t, int64(segmentSize), lastFile.Size(), "last WAL file size is not smaller than the WALSegmentSize option, filename: %v", lastFile.Name())
|
|
},
|
|
// Wal disabled.
|
|
-1: func(dbDir string, segmentSize int) {
|
|
// Check that WAL dir is not there.
|
|
_, err := os.Stat(filepath.Join(dbDir, "wal"))
|
|
require.Error(t, err)
|
|
// Check that there is chunks dir.
|
|
_, err = os.Stat(mmappedChunksDir(dbDir))
|
|
require.NoError(t, err)
|
|
},
|
|
}
|
|
for segmentSize, testFunc := range tests {
|
|
t.Run(fmt.Sprintf("WALSegmentSize %d test", segmentSize), func(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.WALSegmentSize = segmentSize
|
|
db := openTestDB(t, opts, nil)
|
|
|
|
for i := int64(0); i < 155; i++ {
|
|
app := db.Appender(context.Background())
|
|
ref, err := app.Append(0, labels.FromStrings("wal"+strconv.Itoa(int(i)), "size"), i, rand.Float64())
|
|
require.NoError(t, err)
|
|
for j := int64(1); j <= 78; j++ {
|
|
_, err := app.Append(ref, labels.EmptyLabels(), i+j, rand.Float64())
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
dbDir := db.Dir()
|
|
require.NoError(t, db.Close())
|
|
testFunc(dbDir, opts.WALSegmentSize)
|
|
})
|
|
}
|
|
}
|
|
|
|
// https://github.com/prometheus/prometheus/issues/9846
|
|
// https://github.com/prometheus/prometheus/issues/9859
|
|
func TestWALReplayRaceOnSamplesLoggedBeforeSeries(t *testing.T) {
|
|
const (
|
|
numRuns = 1
|
|
numSamplesBeforeSeriesCreation = 1000
|
|
)
|
|
|
|
// We test both with few and many samples appended after series creation. If samples are < 120 then there's no
|
|
// mmap-ed chunk, otherwise there's at least 1 mmap-ed chunk when replaying the WAL.
|
|
for _, numSamplesAfterSeriesCreation := range []int{1, 1000} {
|
|
for run := 1; run <= numRuns; run++ {
|
|
t.Run(fmt.Sprintf("samples after series creation = %d, run = %d", numSamplesAfterSeriesCreation, run), func(t *testing.T) {
|
|
testWALReplayRaceOnSamplesLoggedBeforeSeries(t, numSamplesBeforeSeriesCreation, numSamplesAfterSeriesCreation)
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
func testWALReplayRaceOnSamplesLoggedBeforeSeries(t *testing.T, numSamplesBeforeSeriesCreation, numSamplesAfterSeriesCreation int) {
|
|
const numSeries = 1000
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
db.DisableCompactions()
|
|
|
|
for seriesRef := 1; seriesRef <= numSeries; seriesRef++ {
|
|
// Log samples before the series is logged to the WAL.
|
|
var enc record.Encoder
|
|
var samples []record.RefSample
|
|
|
|
for ts := 0; ts < numSamplesBeforeSeriesCreation; ts++ {
|
|
samples = append(samples, record.RefSample{
|
|
Ref: chunks.HeadSeriesRef(uint64(seriesRef)),
|
|
T: int64(ts),
|
|
V: float64(ts),
|
|
})
|
|
}
|
|
|
|
err := db.Head().wal.Log(enc.Samples(samples, nil))
|
|
require.NoError(t, err)
|
|
|
|
// Add samples via appender so that they're logged after the series in the WAL.
|
|
app := db.Appender(context.Background())
|
|
lbls := labels.FromStrings("series_id", strconv.Itoa(seriesRef))
|
|
|
|
for ts := numSamplesBeforeSeriesCreation; ts < numSamplesBeforeSeriesCreation+numSamplesAfterSeriesCreation; ts++ {
|
|
_, err := app.Append(0, lbls, int64(ts), float64(ts))
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
require.NoError(t, db.Close())
|
|
|
|
// Reopen the DB, replaying the WAL.
|
|
reopenDB, err := Open(db.Dir(), log.NewLogfmtLogger(os.Stderr), nil, nil, nil)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
require.NoError(t, reopenDB.Close())
|
|
})
|
|
|
|
// Query back chunks for all series.
|
|
q, err := reopenDB.ChunkQuerier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
set := q.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchRegexp, "series_id", ".+"))
|
|
actualSeries := 0
|
|
var chunksIt chunks.Iterator
|
|
|
|
for set.Next() {
|
|
actualSeries++
|
|
actualChunks := 0
|
|
|
|
chunksIt = set.At().Iterator(chunksIt)
|
|
for chunksIt.Next() {
|
|
actualChunks++
|
|
}
|
|
require.NoError(t, chunksIt.Err())
|
|
|
|
// We expect 1 chunk every 120 samples after series creation.
|
|
require.Equalf(t, (numSamplesAfterSeriesCreation/120)+1, actualChunks, "series: %s", set.At().Labels().String())
|
|
}
|
|
|
|
require.NoError(t, set.Err())
|
|
require.Equal(t, numSeries, actualSeries)
|
|
}
|
|
|
|
func TestTombstoneClean(t *testing.T) {
|
|
const numSamples int64 = 10
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
|
|
smpls := make([]float64, numSamples)
|
|
for i := int64(0); i < numSamples; i++ {
|
|
smpls[i] = rand.Float64()
|
|
app.Append(0, labels.FromStrings("a", "b"), i, smpls[i])
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
cases := []struct {
|
|
intervals tombstones.Intervals
|
|
remaint []int64
|
|
}{
|
|
{
|
|
intervals: tombstones.Intervals{{Mint: 1, Maxt: 3}, {Mint: 4, Maxt: 7}},
|
|
remaint: []int64{0, 8, 9},
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
// Delete the ranges.
|
|
|
|
// Create snapshot.
|
|
snap := t.TempDir()
|
|
require.NoError(t, db.Snapshot(snap, true))
|
|
require.NoError(t, db.Close())
|
|
|
|
// Reopen DB from snapshot.
|
|
db, err := Open(snap, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
for _, r := range c.intervals {
|
|
require.NoError(t, db.Delete(ctx, r.Mint, r.Maxt, labels.MustNewMatcher(labels.MatchEqual, "a", "b")))
|
|
}
|
|
|
|
// All of the setup for THIS line.
|
|
require.NoError(t, db.CleanTombstones())
|
|
|
|
// Compare the result.
|
|
q, err := db.Querier(0, numSamples)
|
|
require.NoError(t, err)
|
|
defer q.Close()
|
|
|
|
res := q.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
|
|
|
|
expSamples := make([]chunks.Sample, 0, len(c.remaint))
|
|
for _, ts := range c.remaint {
|
|
expSamples = append(expSamples, sample{ts, smpls[ts], nil, nil})
|
|
}
|
|
|
|
expss := newMockSeriesSet([]storage.Series{
|
|
storage.NewListSeries(labels.FromStrings("a", "b"), expSamples),
|
|
})
|
|
|
|
if len(expSamples) == 0 {
|
|
require.False(t, res.Next())
|
|
continue
|
|
}
|
|
|
|
for {
|
|
eok, rok := expss.Next(), res.Next()
|
|
require.Equal(t, eok, rok)
|
|
|
|
if !eok {
|
|
break
|
|
}
|
|
sexp := expss.At()
|
|
sres := res.At()
|
|
|
|
require.Equal(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := storage.ExpandSamples(sexp.Iterator(nil), nil)
|
|
smplRes, errRes := storage.ExpandSamples(sres.Iterator(nil), nil)
|
|
|
|
require.Equal(t, errExp, errRes)
|
|
require.Equal(t, smplExp, smplRes)
|
|
}
|
|
require.Empty(t, res.Warnings())
|
|
|
|
for _, b := range db.Blocks() {
|
|
require.Equal(t, tombstones.NewMemTombstones(), b.tombstones)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestTombstoneCleanResultEmptyBlock tests that a TombstoneClean that results in empty blocks (no timeseries)
|
|
// will also delete the resultant block.
|
|
func TestTombstoneCleanResultEmptyBlock(t *testing.T) {
|
|
numSamples := int64(10)
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
|
|
smpls := make([]float64, numSamples)
|
|
for i := int64(0); i < numSamples; i++ {
|
|
smpls[i] = rand.Float64()
|
|
app.Append(0, labels.FromStrings("a", "b"), i, smpls[i])
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
// Interval should cover the whole block.
|
|
intervals := tombstones.Intervals{{Mint: 0, Maxt: numSamples}}
|
|
|
|
// Create snapshot.
|
|
snap := t.TempDir()
|
|
require.NoError(t, db.Snapshot(snap, true))
|
|
require.NoError(t, db.Close())
|
|
|
|
// Reopen DB from snapshot.
|
|
db, err := Open(snap, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
// Create tombstones by deleting all samples.
|
|
for _, r := range intervals {
|
|
require.NoError(t, db.Delete(ctx, r.Mint, r.Maxt, labels.MustNewMatcher(labels.MatchEqual, "a", "b")))
|
|
}
|
|
|
|
require.NoError(t, db.CleanTombstones())
|
|
|
|
// After cleaning tombstones that covers the entire block, no blocks should be left behind.
|
|
actualBlockDirs, err := blockDirs(db.dir)
|
|
require.NoError(t, err)
|
|
require.Empty(t, actualBlockDirs)
|
|
}
|
|
|
|
// TestTombstoneCleanFail tests that a failing TombstoneClean doesn't leave any blocks behind.
|
|
// When TombstoneClean errors the original block that should be rebuilt doesn't get deleted so
|
|
// if TombstoneClean leaves any blocks behind these will overlap.
|
|
func TestTombstoneCleanFail(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
var oldBlockDirs []string
|
|
|
|
// Create some blocks pending for compaction.
|
|
// totalBlocks should be >=2 so we have enough blocks to trigger compaction failure.
|
|
totalBlocks := 2
|
|
for i := 0; i < totalBlocks; i++ {
|
|
blockDir := createBlock(t, db.Dir(), genSeries(1, 1, int64(i), int64(i)+1))
|
|
block, err := OpenBlock(nil, blockDir, nil)
|
|
require.NoError(t, err)
|
|
// Add some fake tombstones to trigger the compaction.
|
|
tomb := tombstones.NewMemTombstones()
|
|
tomb.AddInterval(0, tombstones.Interval{Mint: int64(i), Maxt: int64(i) + 1})
|
|
block.tombstones = tomb
|
|
|
|
db.blocks = append(db.blocks, block)
|
|
oldBlockDirs = append(oldBlockDirs, blockDir)
|
|
}
|
|
|
|
// Initialize the mockCompactorFailing with a room for a single compaction iteration.
|
|
// mockCompactorFailing will fail on the second iteration so we can check if the cleanup works as expected.
|
|
db.compactor = &mockCompactorFailing{
|
|
t: t,
|
|
blocks: db.blocks,
|
|
max: totalBlocks + 1,
|
|
}
|
|
|
|
// The compactor should trigger a failure here.
|
|
require.Error(t, db.CleanTombstones())
|
|
|
|
// Now check that the CleanTombstones replaced the old block even after a failure.
|
|
actualBlockDirs, err := blockDirs(db.dir)
|
|
require.NoError(t, err)
|
|
// Only one block should have been replaced by a new block.
|
|
require.Equal(t, len(oldBlockDirs), len(actualBlockDirs))
|
|
require.Len(t, intersection(oldBlockDirs, actualBlockDirs), len(actualBlockDirs)-1)
|
|
}
|
|
|
|
// TestTombstoneCleanRetentionLimitsRace tests that a CleanTombstones operation
|
|
// and retention limit policies, when triggered at the same time,
|
|
// won't race against each other.
|
|
func TestTombstoneCleanRetentionLimitsRace(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("skipping test in short mode.")
|
|
}
|
|
|
|
opts := DefaultOptions()
|
|
var wg sync.WaitGroup
|
|
|
|
// We want to make sure that a race doesn't happen when a normal reload and a CleanTombstones()
|
|
// reload try to delete the same block. Without the correct lock placement, it can happen if a
|
|
// block is marked for deletion due to retention limits and also has tombstones to be cleaned at
|
|
// the same time.
|
|
//
|
|
// That is something tricky to trigger, so let's try several times just to make sure.
|
|
for i := 0; i < 20; i++ {
|
|
t.Run(fmt.Sprintf("iteration%d", i), func(t *testing.T) {
|
|
db := openTestDB(t, opts, nil)
|
|
totalBlocks := 20
|
|
dbDir := db.Dir()
|
|
// Generate some blocks with old mint (near epoch).
|
|
for j := 0; j < totalBlocks; j++ {
|
|
blockDir := createBlock(t, dbDir, genSeries(10, 1, int64(j), int64(j)+1))
|
|
block, err := OpenBlock(nil, blockDir, nil)
|
|
require.NoError(t, err)
|
|
// Cover block with tombstones so it can be deleted with CleanTombstones() as well.
|
|
tomb := tombstones.NewMemTombstones()
|
|
tomb.AddInterval(0, tombstones.Interval{Mint: int64(j), Maxt: int64(j) + 1})
|
|
block.tombstones = tomb
|
|
|
|
db.blocks = append(db.blocks, block)
|
|
}
|
|
|
|
wg.Add(2)
|
|
// Run reload and CleanTombstones together, with a small time window randomization
|
|
go func() {
|
|
defer wg.Done()
|
|
time.Sleep(time.Duration(rand.Float64() * 100 * float64(time.Millisecond)))
|
|
require.NoError(t, db.reloadBlocks())
|
|
}()
|
|
go func() {
|
|
defer wg.Done()
|
|
time.Sleep(time.Duration(rand.Float64() * 100 * float64(time.Millisecond)))
|
|
require.NoError(t, db.CleanTombstones())
|
|
}()
|
|
|
|
wg.Wait()
|
|
|
|
require.NoError(t, db.Close())
|
|
})
|
|
}
|
|
}
|
|
|
|
func intersection(oldBlocks, actualBlocks []string) (intersection []string) {
|
|
hash := make(map[string]bool)
|
|
for _, e := range oldBlocks {
|
|
hash[e] = true
|
|
}
|
|
for _, e := range actualBlocks {
|
|
// If block present in the hashmap then append intersection list.
|
|
if hash[e] {
|
|
intersection = append(intersection, e)
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// mockCompactorFailing creates a new empty block on every write and fails when reached the max allowed total.
|
|
// For CompactOOO, it always fails.
|
|
type mockCompactorFailing struct {
|
|
t *testing.T
|
|
blocks []*Block
|
|
max int
|
|
}
|
|
|
|
func (*mockCompactorFailing) Plan(string) ([]string, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (c *mockCompactorFailing) Write(dest string, _ BlockReader, _, _ int64, _ *BlockMeta) ([]ulid.ULID, error) {
|
|
if len(c.blocks) >= c.max {
|
|
return []ulid.ULID{}, fmt.Errorf("the compactor already did the maximum allowed blocks so it is time to fail")
|
|
}
|
|
|
|
block, err := OpenBlock(nil, createBlock(c.t, dest, genSeries(1, 1, 0, 1)), nil)
|
|
require.NoError(c.t, err)
|
|
require.NoError(c.t, block.Close()) // Close block as we won't be using anywhere.
|
|
c.blocks = append(c.blocks, block)
|
|
|
|
// Now check that all expected blocks are actually persisted on disk.
|
|
// This way we make sure that we have some blocks that are supposed to be removed.
|
|
var expectedBlocks []string
|
|
for _, b := range c.blocks {
|
|
expectedBlocks = append(expectedBlocks, filepath.Join(dest, b.Meta().ULID.String()))
|
|
}
|
|
actualBlockDirs, err := blockDirs(dest)
|
|
require.NoError(c.t, err)
|
|
|
|
require.Equal(c.t, expectedBlocks, actualBlockDirs)
|
|
|
|
return []ulid.ULID{block.Meta().ULID}, nil
|
|
}
|
|
|
|
func (*mockCompactorFailing) Compact(string, []string, []*Block) ([]ulid.ULID, error) {
|
|
return []ulid.ULID{}, nil
|
|
}
|
|
|
|
func (*mockCompactorFailing) CompactOOO(string, *OOOCompactionHead) (result []ulid.ULID, err error) {
|
|
return nil, fmt.Errorf("mock compaction failing CompactOOO")
|
|
}
|
|
|
|
func TestTimeRetention(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
blocks []*BlockMeta
|
|
expBlocks []*BlockMeta
|
|
retentionDuration int64
|
|
}{
|
|
{
|
|
name: "Block max time delta greater than retention duration",
|
|
blocks: []*BlockMeta{
|
|
{MinTime: 500, MaxTime: 900}, // Oldest block, beyond retention
|
|
{MinTime: 1000, MaxTime: 1500},
|
|
{MinTime: 1500, MaxTime: 2000}, // Newest block
|
|
},
|
|
expBlocks: []*BlockMeta{
|
|
{MinTime: 1000, MaxTime: 1500},
|
|
{MinTime: 1500, MaxTime: 2000},
|
|
},
|
|
retentionDuration: 1000,
|
|
},
|
|
{
|
|
name: "Block max time delta equal to retention duration",
|
|
blocks: []*BlockMeta{
|
|
{MinTime: 500, MaxTime: 900}, // Oldest block
|
|
{MinTime: 1000, MaxTime: 1500}, // Coinciding exactly with the retention duration.
|
|
{MinTime: 1500, MaxTime: 2000}, // Newest block
|
|
},
|
|
expBlocks: []*BlockMeta{
|
|
{MinTime: 1500, MaxTime: 2000},
|
|
},
|
|
retentionDuration: 500,
|
|
},
|
|
}
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
db := openTestDB(t, nil, []int64{1000})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
for _, m := range tc.blocks {
|
|
createBlock(t, db.Dir(), genSeries(10, 10, m.MinTime, m.MaxTime))
|
|
}
|
|
|
|
require.NoError(t, db.reloadBlocks()) // Reload the db to register the new blocks.
|
|
require.Len(t, db.Blocks(), len(tc.blocks)) // Ensure all blocks are registered.
|
|
|
|
db.opts.RetentionDuration = tc.retentionDuration
|
|
// Reloading should truncate the blocks which are >= the retention duration vs the first block.
|
|
require.NoError(t, db.reloadBlocks())
|
|
|
|
actBlocks := db.Blocks()
|
|
|
|
require.Equal(t, 1, int(prom_testutil.ToFloat64(db.metrics.timeRetentionCount)), "metric retention count mismatch")
|
|
require.Len(t, actBlocks, len(tc.expBlocks))
|
|
for i, eb := range tc.expBlocks {
|
|
require.Equal(t, eb.MinTime, actBlocks[i].meta.MinTime)
|
|
require.Equal(t, eb.MaxTime, actBlocks[i].meta.MaxTime)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRetentionDurationMetric(t *testing.T) {
|
|
db := openTestDB(t, &Options{
|
|
RetentionDuration: 1000,
|
|
}, []int64{100})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
expRetentionDuration := 1.0
|
|
actRetentionDuration := prom_testutil.ToFloat64(db.metrics.retentionDuration)
|
|
require.Equal(t, expRetentionDuration, actRetentionDuration, "metric retention duration mismatch")
|
|
}
|
|
|
|
func TestSizeRetention(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 100
|
|
db := openTestDB(t, opts, []int64{100})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
blocks := []*BlockMeta{
|
|
{MinTime: 100, MaxTime: 200}, // Oldest block
|
|
{MinTime: 200, MaxTime: 300},
|
|
{MinTime: 300, MaxTime: 400},
|
|
{MinTime: 400, MaxTime: 500},
|
|
{MinTime: 500, MaxTime: 600}, // Newest Block
|
|
}
|
|
|
|
for _, m := range blocks {
|
|
createBlock(t, db.Dir(), genSeries(100, 10, m.MinTime, m.MaxTime))
|
|
}
|
|
|
|
headBlocks := []*BlockMeta{
|
|
{MinTime: 700, MaxTime: 800},
|
|
}
|
|
|
|
// Add some data to the WAL.
|
|
headApp := db.Head().Appender(context.Background())
|
|
var aSeries labels.Labels
|
|
var it chunkenc.Iterator
|
|
for _, m := range headBlocks {
|
|
series := genSeries(100, 10, m.MinTime, m.MaxTime+1)
|
|
for _, s := range series {
|
|
aSeries = s.Labels()
|
|
it = s.Iterator(it)
|
|
for it.Next() == chunkenc.ValFloat {
|
|
tim, v := it.At()
|
|
_, err := headApp.Append(0, s.Labels(), tim, v)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, it.Err())
|
|
}
|
|
}
|
|
require.NoError(t, headApp.Commit())
|
|
db.Head().mmapHeadChunks()
|
|
|
|
require.Eventually(t, func() bool {
|
|
return db.Head().chunkDiskMapper.IsQueueEmpty()
|
|
}, 2*time.Second, 100*time.Millisecond)
|
|
|
|
// Test that registered size matches the actual disk size.
|
|
require.NoError(t, db.reloadBlocks()) // Reload the db to register the new db size.
|
|
require.Equal(t, len(blocks), len(db.Blocks())) // Ensure all blocks are registered.
|
|
blockSize := int64(prom_testutil.ToFloat64(db.metrics.blocksBytes)) // Use the actual internal metrics.
|
|
walSize, err := db.Head().wal.Size()
|
|
require.NoError(t, err)
|
|
cdmSize, err := db.Head().chunkDiskMapper.Size()
|
|
require.NoError(t, err)
|
|
require.NotZero(t, cdmSize)
|
|
// Expected size should take into account block size + WAL size + Head
|
|
// chunks size
|
|
expSize := blockSize + walSize + cdmSize
|
|
actSize, err := fileutil.DirSize(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, expSize, actSize, "registered size doesn't match actual disk size")
|
|
|
|
// Create a WAL checkpoint, and compare sizes.
|
|
first, last, err := wlog.Segments(db.Head().wal.Dir())
|
|
require.NoError(t, err)
|
|
_, err = wlog.Checkpoint(log.NewNopLogger(), db.Head().wal, first, last-1, func(x chunks.HeadSeriesRef) bool { return false }, 0)
|
|
require.NoError(t, err)
|
|
blockSize = int64(prom_testutil.ToFloat64(db.metrics.blocksBytes)) // Use the actual internal metrics.
|
|
walSize, err = db.Head().wal.Size()
|
|
require.NoError(t, err)
|
|
cdmSize, err = db.Head().chunkDiskMapper.Size()
|
|
require.NoError(t, err)
|
|
require.NotZero(t, cdmSize)
|
|
expSize = blockSize + walSize + cdmSize
|
|
actSize, err = fileutil.DirSize(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, expSize, actSize, "registered size doesn't match actual disk size")
|
|
|
|
// Truncate Chunk Disk Mapper and compare sizes.
|
|
require.NoError(t, db.Head().chunkDiskMapper.Truncate(900))
|
|
cdmSize, err = db.Head().chunkDiskMapper.Size()
|
|
require.NoError(t, err)
|
|
require.NotZero(t, cdmSize)
|
|
expSize = blockSize + walSize + cdmSize
|
|
actSize, err = fileutil.DirSize(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, expSize, actSize, "registered size doesn't match actual disk size")
|
|
|
|
// Add some out of order samples to check the size of WBL.
|
|
headApp = db.Head().Appender(context.Background())
|
|
for ts := int64(750); ts < 800; ts++ {
|
|
_, err := headApp.Append(0, aSeries, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, headApp.Commit())
|
|
|
|
walSize, err = db.Head().wal.Size()
|
|
require.NoError(t, err)
|
|
wblSize, err := db.Head().wbl.Size()
|
|
require.NoError(t, err)
|
|
require.NotZero(t, wblSize)
|
|
cdmSize, err = db.Head().chunkDiskMapper.Size()
|
|
require.NoError(t, err)
|
|
expSize = blockSize + walSize + wblSize + cdmSize
|
|
actSize, err = fileutil.DirSize(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, expSize, actSize, "registered size doesn't match actual disk size")
|
|
|
|
// Decrease the max bytes limit so that a delete is triggered.
|
|
// Check total size, total count and check that the oldest block was deleted.
|
|
firstBlockSize := db.Blocks()[0].Size()
|
|
sizeLimit := actSize - firstBlockSize
|
|
db.opts.MaxBytes = sizeLimit // Set the new db size limit one block smaller that the actual size.
|
|
require.NoError(t, db.reloadBlocks()) // Reload the db to register the new db size.
|
|
|
|
expBlocks := blocks[1:]
|
|
actBlocks := db.Blocks()
|
|
blockSize = int64(prom_testutil.ToFloat64(db.metrics.blocksBytes))
|
|
walSize, err = db.Head().wal.Size()
|
|
require.NoError(t, err)
|
|
cdmSize, err = db.Head().chunkDiskMapper.Size()
|
|
require.NoError(t, err)
|
|
require.NotZero(t, cdmSize)
|
|
// Expected size should take into account block size + WAL size + WBL size
|
|
expSize = blockSize + walSize + wblSize + cdmSize
|
|
actRetentionCount := int(prom_testutil.ToFloat64(db.metrics.sizeRetentionCount))
|
|
actSize, err = fileutil.DirSize(db.Dir())
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, 1, actRetentionCount, "metric retention count mismatch")
|
|
require.Equal(t, expSize, actSize, "metric db size doesn't match actual disk size")
|
|
require.LessOrEqual(t, expSize, sizeLimit, "actual size (%v) is expected to be less than or equal to limit (%v)", expSize, sizeLimit)
|
|
require.Len(t, actBlocks, len(blocks)-1, "new block count should be decreased from:%v to:%v", len(blocks), len(blocks)-1)
|
|
require.Equal(t, expBlocks[0].MaxTime, actBlocks[0].meta.MaxTime, "maxT mismatch of the first block")
|
|
require.Equal(t, expBlocks[len(expBlocks)-1].MaxTime, actBlocks[len(actBlocks)-1].meta.MaxTime, "maxT mismatch of the last block")
|
|
}
|
|
|
|
func TestSizeRetentionMetric(t *testing.T) {
|
|
cases := []struct {
|
|
maxBytes int64
|
|
expMaxBytes int64
|
|
}{
|
|
{maxBytes: 1000, expMaxBytes: 1000},
|
|
{maxBytes: 0, expMaxBytes: 0},
|
|
{maxBytes: -1000, expMaxBytes: 0},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
db := openTestDB(t, &Options{
|
|
MaxBytes: c.maxBytes,
|
|
}, []int64{100})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
actMaxBytes := int64(prom_testutil.ToFloat64(db.metrics.maxBytes))
|
|
require.Equal(t, c.expMaxBytes, actMaxBytes, "metric retention limit bytes mismatch")
|
|
}
|
|
}
|
|
|
|
func TestNotMatcherSelectsLabelsUnsetSeries(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
labelpairs := []labels.Labels{
|
|
labels.FromStrings("a", "abcd", "b", "abcde"),
|
|
labels.FromStrings("labelname", "labelvalue"),
|
|
}
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
for _, lbls := range labelpairs {
|
|
_, err := app.Append(0, lbls, 0, 1)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
cases := []struct {
|
|
selector labels.Selector
|
|
series []labels.Labels
|
|
}{{
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchNotEqual, "lname", "lvalue"),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchEqual, "a", "abcd"),
|
|
labels.MustNewMatcher(labels.MatchNotEqual, "b", "abcde"),
|
|
},
|
|
series: []labels.Labels{},
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchEqual, "a", "abcd"),
|
|
labels.MustNewMatcher(labels.MatchNotEqual, "b", "abc"),
|
|
},
|
|
series: []labels.Labels{labelpairs[0]},
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchNotRegexp, "a", "abd.*"),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchNotRegexp, "a", "abc.*"),
|
|
},
|
|
series: labelpairs[1:],
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchNotRegexp, "c", "abd.*"),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.MustNewMatcher(labels.MatchNotRegexp, "labelname", "labelvalue"),
|
|
},
|
|
series: labelpairs[:1],
|
|
}}
|
|
|
|
q, err := db.Querier(0, 10)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, q.Close()) }()
|
|
|
|
for _, c := range cases {
|
|
ss := q.Select(ctx, false, nil, c.selector...)
|
|
lres, _, ws, err := expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, c.series, lres)
|
|
}
|
|
}
|
|
|
|
// expandSeriesSet returns the raw labels in the order they are retrieved from
|
|
// the series set and the samples keyed by Labels().String().
|
|
func expandSeriesSet(ss storage.SeriesSet) ([]labels.Labels, map[string][]sample, annotations.Annotations, error) {
|
|
resultLabels := []labels.Labels{}
|
|
resultSamples := map[string][]sample{}
|
|
var it chunkenc.Iterator
|
|
for ss.Next() {
|
|
series := ss.At()
|
|
samples := []sample{}
|
|
it = series.Iterator(it)
|
|
for it.Next() == chunkenc.ValFloat {
|
|
t, v := it.At()
|
|
samples = append(samples, sample{t: t, f: v})
|
|
}
|
|
resultLabels = append(resultLabels, series.Labels())
|
|
resultSamples[series.Labels().String()] = samples
|
|
}
|
|
return resultLabels, resultSamples, ss.Warnings(), ss.Err()
|
|
}
|
|
|
|
func TestOverlappingBlocksDetectsAllOverlaps(t *testing.T) {
|
|
// Create 10 blocks that does not overlap (0-10, 10-20, ..., 100-110) but in reverse order to ensure our algorithm
|
|
// will handle that.
|
|
metas := make([]BlockMeta, 11)
|
|
for i := 10; i >= 0; i-- {
|
|
metas[i] = BlockMeta{MinTime: int64(i * 10), MaxTime: int64((i + 1) * 10)}
|
|
}
|
|
|
|
require.Empty(t, OverlappingBlocks(metas), "we found unexpected overlaps")
|
|
|
|
// Add overlapping blocks. We've to establish order again since we aren't interested
|
|
// in trivial overlaps caused by unorderedness.
|
|
add := func(ms ...BlockMeta) []BlockMeta {
|
|
repl := append(append([]BlockMeta{}, metas...), ms...)
|
|
sort.Slice(repl, func(i, j int) bool {
|
|
return repl[i].MinTime < repl[j].MinTime
|
|
})
|
|
return repl
|
|
}
|
|
|
|
// o1 overlaps with 10-20.
|
|
o1 := BlockMeta{MinTime: 15, MaxTime: 17}
|
|
require.Equal(t, Overlaps{
|
|
{Min: 15, Max: 17}: {metas[1], o1},
|
|
}, OverlappingBlocks(add(o1)))
|
|
|
|
// o2 overlaps with 20-30 and 30-40.
|
|
o2 := BlockMeta{MinTime: 21, MaxTime: 31}
|
|
require.Equal(t, Overlaps{
|
|
{Min: 21, Max: 30}: {metas[2], o2},
|
|
{Min: 30, Max: 31}: {o2, metas[3]},
|
|
}, OverlappingBlocks(add(o2)))
|
|
|
|
// o3a and o3b overlaps with 30-40 and each other.
|
|
o3a := BlockMeta{MinTime: 33, MaxTime: 39}
|
|
o3b := BlockMeta{MinTime: 34, MaxTime: 36}
|
|
require.Equal(t, Overlaps{
|
|
{Min: 34, Max: 36}: {metas[3], o3a, o3b},
|
|
}, OverlappingBlocks(add(o3a, o3b)))
|
|
|
|
// o4 is 1:1 overlap with 50-60.
|
|
o4 := BlockMeta{MinTime: 50, MaxTime: 60}
|
|
require.Equal(t, Overlaps{
|
|
{Min: 50, Max: 60}: {metas[5], o4},
|
|
}, OverlappingBlocks(add(o4)))
|
|
|
|
// o5 overlaps with 60-70, 70-80 and 80-90.
|
|
o5 := BlockMeta{MinTime: 61, MaxTime: 85}
|
|
require.Equal(t, Overlaps{
|
|
{Min: 61, Max: 70}: {metas[6], o5},
|
|
{Min: 70, Max: 80}: {o5, metas[7]},
|
|
{Min: 80, Max: 85}: {o5, metas[8]},
|
|
}, OverlappingBlocks(add(o5)))
|
|
|
|
// o6a overlaps with 90-100, 100-110 and o6b, o6b overlaps with 90-100 and o6a.
|
|
o6a := BlockMeta{MinTime: 92, MaxTime: 105}
|
|
o6b := BlockMeta{MinTime: 94, MaxTime: 99}
|
|
require.Equal(t, Overlaps{
|
|
{Min: 94, Max: 99}: {metas[9], o6a, o6b},
|
|
{Min: 100, Max: 105}: {o6a, metas[10]},
|
|
}, OverlappingBlocks(add(o6a, o6b)))
|
|
|
|
// All together.
|
|
require.Equal(t, Overlaps{
|
|
{Min: 15, Max: 17}: {metas[1], o1},
|
|
{Min: 21, Max: 30}: {metas[2], o2}, {Min: 30, Max: 31}: {o2, metas[3]},
|
|
{Min: 34, Max: 36}: {metas[3], o3a, o3b},
|
|
{Min: 50, Max: 60}: {metas[5], o4},
|
|
{Min: 61, Max: 70}: {metas[6], o5}, {Min: 70, Max: 80}: {o5, metas[7]}, {Min: 80, Max: 85}: {o5, metas[8]},
|
|
{Min: 94, Max: 99}: {metas[9], o6a, o6b}, {Min: 100, Max: 105}: {o6a, metas[10]},
|
|
}, OverlappingBlocks(add(o1, o2, o3a, o3b, o4, o5, o6a, o6b)))
|
|
|
|
// Additional case.
|
|
var nc1 []BlockMeta
|
|
nc1 = append(nc1, BlockMeta{MinTime: 1, MaxTime: 5})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 2, MaxTime: 3})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 2, MaxTime: 3})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 2, MaxTime: 3})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 2, MaxTime: 3})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 2, MaxTime: 6})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 3, MaxTime: 5})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 5, MaxTime: 7})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 7, MaxTime: 10})
|
|
nc1 = append(nc1, BlockMeta{MinTime: 8, MaxTime: 9})
|
|
require.Equal(t, Overlaps{
|
|
{Min: 2, Max: 3}: {nc1[0], nc1[1], nc1[2], nc1[3], nc1[4], nc1[5]}, // 1-5, 2-3, 2-3, 2-3, 2-3, 2,6
|
|
{Min: 3, Max: 5}: {nc1[0], nc1[5], nc1[6]}, // 1-5, 2-6, 3-5
|
|
{Min: 5, Max: 6}: {nc1[5], nc1[7]}, // 2-6, 5-7
|
|
{Min: 8, Max: 9}: {nc1[8], nc1[9]}, // 7-10, 8-9
|
|
}, OverlappingBlocks(nc1))
|
|
}
|
|
|
|
// Regression test for https://github.com/prometheus/tsdb/issues/347
|
|
func TestChunkAtBlockBoundary(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
|
|
blockRange := db.compactor.(*LeveledCompactor).ranges[0]
|
|
label := labels.FromStrings("foo", "bar")
|
|
|
|
for i := int64(0); i < 3; i++ {
|
|
_, err := app.Append(0, label, i*blockRange, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, label, i*blockRange+1000, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
err := app.Commit()
|
|
require.NoError(t, err)
|
|
|
|
err = db.Compact(ctx)
|
|
require.NoError(t, err)
|
|
|
|
var builder labels.ScratchBuilder
|
|
|
|
for _, block := range db.Blocks() {
|
|
r, err := block.Index()
|
|
require.NoError(t, err)
|
|
defer r.Close()
|
|
|
|
meta := block.Meta()
|
|
|
|
k, v := index.AllPostingsKey()
|
|
p, err := r.Postings(ctx, k, v)
|
|
require.NoError(t, err)
|
|
|
|
var chks []chunks.Meta
|
|
|
|
chunkCount := 0
|
|
|
|
for p.Next() {
|
|
err = r.Series(p.At(), &builder, &chks)
|
|
require.NoError(t, err)
|
|
for _, c := range chks {
|
|
require.True(t, meta.MinTime <= c.MinTime && c.MaxTime <= meta.MaxTime,
|
|
"chunk spans beyond block boundaries: [block.MinTime=%d, block.MaxTime=%d]; [chunk.MinTime=%d, chunk.MaxTime=%d]",
|
|
meta.MinTime, meta.MaxTime, c.MinTime, c.MaxTime)
|
|
chunkCount++
|
|
}
|
|
}
|
|
require.Equal(t, 1, chunkCount, "expected 1 chunk in block %s, got %d", meta.ULID, chunkCount)
|
|
}
|
|
}
|
|
|
|
func TestQuerierWithBoundaryChunks(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
|
|
blockRange := db.compactor.(*LeveledCompactor).ranges[0]
|
|
label := labels.FromStrings("foo", "bar")
|
|
|
|
for i := int64(0); i < 5; i++ {
|
|
_, err := app.Append(0, label, i*blockRange, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, labels.FromStrings("blockID", strconv.FormatInt(i, 10)), i*blockRange, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
err := app.Commit()
|
|
require.NoError(t, err)
|
|
|
|
err = db.Compact(ctx)
|
|
require.NoError(t, err)
|
|
|
|
require.GreaterOrEqual(t, len(db.blocks), 3, "invalid test, less than three blocks in DB")
|
|
|
|
q, err := db.Querier(blockRange, 2*blockRange)
|
|
require.NoError(t, err)
|
|
defer q.Close()
|
|
|
|
// The requested interval covers 2 blocks, so the querier's label values for blockID should give us 2 values, one from each block.
|
|
b, ws, err := q.LabelValues(ctx, "blockID", nil)
|
|
require.NoError(t, err)
|
|
var nilAnnotations annotations.Annotations
|
|
require.Equal(t, nilAnnotations, ws)
|
|
require.Equal(t, []string{"1", "2"}, b)
|
|
}
|
|
|
|
// TestInitializeHeadTimestamp ensures that the h.minTime is set properly.
|
|
// - no blocks no WAL: set to the time of the first appended sample
|
|
// - no blocks with WAL: set to the smallest sample from the WAL
|
|
// - with blocks no WAL: set to the last block maxT
|
|
// - with blocks with WAL: same as above
|
|
func TestInitializeHeadTimestamp(t *testing.T) {
|
|
t.Run("clean", func(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
db, err := Open(dir, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
// Should be set to init values if no WAL or blocks exist so far.
|
|
require.Equal(t, int64(math.MaxInt64), db.head.MinTime())
|
|
require.Equal(t, int64(math.MinInt64), db.head.MaxTime())
|
|
require.False(t, db.head.initialized())
|
|
|
|
// First added sample initializes the writable range.
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 1000, 1)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, int64(1000), db.head.MinTime())
|
|
require.Equal(t, int64(1000), db.head.MaxTime())
|
|
require.True(t, db.head.initialized())
|
|
})
|
|
t.Run("wal-only", func(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
require.NoError(t, os.MkdirAll(path.Join(dir, "wal"), 0o777))
|
|
w, err := wlog.New(nil, nil, path.Join(dir, "wal"), wlog.CompressionNone)
|
|
require.NoError(t, err)
|
|
|
|
var enc record.Encoder
|
|
err = w.Log(
|
|
enc.Series([]record.RefSeries{
|
|
{Ref: 123, Labels: labels.FromStrings("a", "1")},
|
|
{Ref: 124, Labels: labels.FromStrings("a", "2")},
|
|
}, nil),
|
|
enc.Samples([]record.RefSample{
|
|
{Ref: 123, T: 5000, V: 1},
|
|
{Ref: 124, T: 15000, V: 1},
|
|
}, nil),
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, w.Close())
|
|
|
|
db, err := Open(dir, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
require.Equal(t, int64(5000), db.head.MinTime())
|
|
require.Equal(t, int64(15000), db.head.MaxTime())
|
|
require.True(t, db.head.initialized())
|
|
})
|
|
t.Run("existing-block", func(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
createBlock(t, dir, genSeries(1, 1, 1000, 2000))
|
|
|
|
db, err := Open(dir, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
require.Equal(t, int64(2000), db.head.MinTime())
|
|
require.Equal(t, int64(2000), db.head.MaxTime())
|
|
require.True(t, db.head.initialized())
|
|
})
|
|
t.Run("existing-block-and-wal", func(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
createBlock(t, dir, genSeries(1, 1, 1000, 6000))
|
|
|
|
require.NoError(t, os.MkdirAll(path.Join(dir, "wal"), 0o777))
|
|
w, err := wlog.New(nil, nil, path.Join(dir, "wal"), wlog.CompressionNone)
|
|
require.NoError(t, err)
|
|
|
|
var enc record.Encoder
|
|
err = w.Log(
|
|
enc.Series([]record.RefSeries{
|
|
{Ref: 123, Labels: labels.FromStrings("a", "1")},
|
|
{Ref: 124, Labels: labels.FromStrings("a", "2")},
|
|
}, nil),
|
|
enc.Samples([]record.RefSample{
|
|
{Ref: 123, T: 5000, V: 1},
|
|
{Ref: 124, T: 15000, V: 1},
|
|
}, nil),
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, w.Close())
|
|
|
|
r := prometheus.NewRegistry()
|
|
|
|
db, err := Open(dir, nil, r, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
require.Equal(t, int64(6000), db.head.MinTime())
|
|
require.Equal(t, int64(15000), db.head.MaxTime())
|
|
require.True(t, db.head.initialized())
|
|
// Check that old series has been GCed.
|
|
require.Equal(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.series))
|
|
})
|
|
}
|
|
|
|
func TestNoEmptyBlocks(t *testing.T) {
|
|
db := openTestDB(t, nil, []int64{100})
|
|
ctx := context.Background()
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
db.DisableCompactions()
|
|
|
|
rangeToTriggerCompaction := db.compactor.(*LeveledCompactor).ranges[0]/2*3 - 1
|
|
defaultLabel := labels.FromStrings("foo", "bar")
|
|
defaultMatcher := labels.MustNewMatcher(labels.MatchRegexp, "", ".*")
|
|
|
|
t.Run("Test no blocks after compact with empty head.", func(t *testing.T) {
|
|
require.NoError(t, db.Compact(ctx))
|
|
actBlocks, err := blockDirs(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, len(db.Blocks()), len(actBlocks))
|
|
require.Empty(t, actBlocks)
|
|
require.Equal(t, 0, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.Ran)), "no compaction should be triggered here")
|
|
})
|
|
|
|
t.Run("Test no blocks after deleting all samples from head.", func(t *testing.T) {
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, defaultLabel, 1, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, defaultLabel, 2, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, defaultLabel, 3+rangeToTriggerCompaction, 0)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
require.NoError(t, db.Delete(ctx, math.MinInt64, math.MaxInt64, defaultMatcher))
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, 1, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.Ran)), "compaction should have been triggered here")
|
|
|
|
actBlocks, err := blockDirs(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, len(db.Blocks()), len(actBlocks))
|
|
require.Empty(t, actBlocks)
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.Append(0, defaultLabel, 1, 0)
|
|
require.Equal(t, storage.ErrOutOfBounds, err, "the head should be truncated so no samples in the past should be allowed")
|
|
|
|
// Adding new blocks.
|
|
currentTime := db.Head().MaxTime()
|
|
_, err = app.Append(0, defaultLabel, currentTime, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, defaultLabel, currentTime+1, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, defaultLabel, currentTime+rangeToTriggerCompaction, 0)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, 2, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.Ran)), "compaction should have been triggered here")
|
|
actBlocks, err = blockDirs(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, len(db.Blocks()), len(actBlocks))
|
|
require.Len(t, actBlocks, 1, "No blocks created when compacting with >0 samples")
|
|
})
|
|
|
|
t.Run(`When no new block is created from head, and there are some blocks on disk
|
|
compaction should not run into infinite loop (was seen during development).`, func(t *testing.T) {
|
|
oldBlocks := db.Blocks()
|
|
app := db.Appender(ctx)
|
|
currentTime := db.Head().MaxTime()
|
|
_, err := app.Append(0, defaultLabel, currentTime, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, defaultLabel, currentTime+1, 0)
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, defaultLabel, currentTime+rangeToTriggerCompaction, 0)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
require.NoError(t, db.head.Delete(ctx, math.MinInt64, math.MaxInt64, defaultMatcher))
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, 3, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.Ran)), "compaction should have been triggered here")
|
|
require.Equal(t, oldBlocks, db.Blocks())
|
|
})
|
|
|
|
t.Run("Test no blocks remaining after deleting all samples from disk.", func(t *testing.T) {
|
|
currentTime := db.Head().MaxTime()
|
|
blocks := []*BlockMeta{
|
|
{MinTime: currentTime, MaxTime: currentTime + db.compactor.(*LeveledCompactor).ranges[0]},
|
|
{MinTime: currentTime + 100, MaxTime: currentTime + 100 + db.compactor.(*LeveledCompactor).ranges[0]},
|
|
}
|
|
for _, m := range blocks {
|
|
createBlock(t, db.Dir(), genSeries(2, 2, m.MinTime, m.MaxTime))
|
|
}
|
|
|
|
oldBlocks := db.Blocks()
|
|
require.NoError(t, db.reloadBlocks()) // Reload the db to register the new blocks.
|
|
require.Len(t, db.Blocks(), len(blocks)+len(oldBlocks)) // Ensure all blocks are registered.
|
|
require.NoError(t, db.Delete(ctx, math.MinInt64, math.MaxInt64, defaultMatcher))
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, 5, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.Ran)), "compaction should have been triggered here once for each block that have tombstones")
|
|
|
|
actBlocks, err := blockDirs(db.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, len(db.Blocks()), len(actBlocks))
|
|
require.Len(t, actBlocks, 1, "All samples are deleted. Only the most recent block should remain after compaction.")
|
|
})
|
|
}
|
|
|
|
func TestDB_LabelNames(t *testing.T) {
|
|
ctx := context.Background()
|
|
tests := []struct {
|
|
// Add 'sampleLabels1' -> Test Head -> Compact -> Test Disk ->
|
|
// -> Add 'sampleLabels2' -> Test Head+Disk
|
|
|
|
sampleLabels1 [][2]string // For checking head and disk separately.
|
|
// To test Head+Disk, sampleLabels2 should have
|
|
// at least 1 unique label name which is not in sampleLabels1.
|
|
sampleLabels2 [][2]string // // For checking head and disk together.
|
|
exp1 []string // after adding sampleLabels1.
|
|
exp2 []string // after adding sampleLabels1 and sampleLabels2.
|
|
}{
|
|
{
|
|
sampleLabels1: [][2]string{
|
|
{"name1", "1"},
|
|
{"name3", "3"},
|
|
{"name2", "2"},
|
|
},
|
|
sampleLabels2: [][2]string{
|
|
{"name4", "4"},
|
|
{"name1", "1"},
|
|
},
|
|
exp1: []string{"name1", "name2", "name3"},
|
|
exp2: []string{"name1", "name2", "name3", "name4"},
|
|
},
|
|
{
|
|
sampleLabels1: [][2]string{
|
|
{"name2", "2"},
|
|
{"name1", "1"},
|
|
{"name2", "2"},
|
|
},
|
|
sampleLabels2: [][2]string{
|
|
{"name6", "6"},
|
|
{"name0", "0"},
|
|
},
|
|
exp1: []string{"name1", "name2"},
|
|
exp2: []string{"name0", "name1", "name2", "name6"},
|
|
},
|
|
}
|
|
|
|
blockRange := int64(1000)
|
|
// Appends samples into the database.
|
|
appendSamples := func(db *DB, mint, maxt int64, sampleLabels [][2]string) {
|
|
t.Helper()
|
|
app := db.Appender(ctx)
|
|
for i := mint; i <= maxt; i++ {
|
|
for _, tuple := range sampleLabels {
|
|
label := labels.FromStrings(tuple[0], tuple[1])
|
|
_, err := app.Append(0, label, i*blockRange, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
err := app.Commit()
|
|
require.NoError(t, err)
|
|
}
|
|
for _, tst := range tests {
|
|
ctx := context.Background()
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
appendSamples(db, 0, 4, tst.sampleLabels1)
|
|
|
|
// Testing head.
|
|
headIndexr, err := db.head.Index()
|
|
require.NoError(t, err)
|
|
labelNames, err := headIndexr.LabelNames(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, tst.exp1, labelNames)
|
|
require.NoError(t, headIndexr.Close())
|
|
|
|
// Testing disk.
|
|
err = db.Compact(ctx)
|
|
require.NoError(t, err)
|
|
// All blocks have same label names, hence check them individually.
|
|
// No need to aggregate and check.
|
|
for _, b := range db.Blocks() {
|
|
blockIndexr, err := b.Index()
|
|
require.NoError(t, err)
|
|
labelNames, err = blockIndexr.LabelNames(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, tst.exp1, labelNames)
|
|
require.NoError(t, blockIndexr.Close())
|
|
}
|
|
|
|
// Adding more samples to head with new label names
|
|
// so that we can test (head+disk).LabelNames(ctx) (the union).
|
|
appendSamples(db, 5, 9, tst.sampleLabels2)
|
|
|
|
// Testing DB (union).
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
var ws annotations.Annotations
|
|
labelNames, ws, err = q.LabelNames(ctx, nil)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.NoError(t, q.Close())
|
|
require.Equal(t, tst.exp2, labelNames)
|
|
}
|
|
}
|
|
|
|
func TestCorrectNumTombstones(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
blockRange := db.compactor.(*LeveledCompactor).ranges[0]
|
|
name, value := "foo", "bar"
|
|
defaultLabel := labels.FromStrings(name, value)
|
|
defaultMatcher := labels.MustNewMatcher(labels.MatchEqual, name, value)
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
for i := int64(0); i < 3; i++ {
|
|
for j := int64(0); j < 15; j++ {
|
|
_, err := app.Append(0, defaultLabel, i*blockRange+j, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
err := db.Compact(ctx)
|
|
require.NoError(t, err)
|
|
require.Len(t, db.blocks, 1)
|
|
|
|
require.NoError(t, db.Delete(ctx, 0, 1, defaultMatcher))
|
|
require.Equal(t, uint64(1), db.blocks[0].meta.Stats.NumTombstones)
|
|
|
|
// {0, 1} and {2, 3} are merged to form 1 tombstone.
|
|
require.NoError(t, db.Delete(ctx, 2, 3, defaultMatcher))
|
|
require.Equal(t, uint64(1), db.blocks[0].meta.Stats.NumTombstones)
|
|
|
|
require.NoError(t, db.Delete(ctx, 5, 6, defaultMatcher))
|
|
require.Equal(t, uint64(2), db.blocks[0].meta.Stats.NumTombstones)
|
|
|
|
require.NoError(t, db.Delete(ctx, 9, 11, defaultMatcher))
|
|
require.Equal(t, uint64(3), db.blocks[0].meta.Stats.NumTombstones)
|
|
}
|
|
|
|
// TestBlockRanges checks the following use cases:
|
|
// - No samples can be added with timestamps lower than the last block maxt.
|
|
// - The compactor doesn't create overlapping blocks
|
|
//
|
|
// even when the last blocks is not within the default boundaries.
|
|
// - Lower boundary is based on the smallest sample in the head and
|
|
//
|
|
// upper boundary is rounded to the configured block range.
|
|
//
|
|
// This ensures that a snapshot that includes the head and creates a block with a custom time range
|
|
// will not overlap with the first block created by the next compaction.
|
|
func TestBlockRanges(t *testing.T) {
|
|
logger := log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
|
|
ctx := context.Background()
|
|
|
|
dir := t.TempDir()
|
|
|
|
// Test that the compactor doesn't create overlapping blocks
|
|
// when a non standard block already exists.
|
|
firstBlockMaxT := int64(3)
|
|
createBlock(t, dir, genSeries(1, 1, 0, firstBlockMaxT))
|
|
db, err := open(dir, logger, nil, DefaultOptions(), []int64{10000}, nil)
|
|
require.NoError(t, err)
|
|
|
|
rangeToTriggerCompaction := db.compactor.(*LeveledCompactor).ranges[0]/2*3 + 1
|
|
|
|
app := db.Appender(ctx)
|
|
lbl := labels.FromStrings("a", "b")
|
|
_, err = app.Append(0, lbl, firstBlockMaxT-1, rand.Float64())
|
|
require.Error(t, err, "appending a sample with a timestamp covered by a previous block shouldn't be possible")
|
|
_, err = app.Append(0, lbl, firstBlockMaxT+1, rand.Float64())
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, lbl, firstBlockMaxT+2, rand.Float64())
|
|
require.NoError(t, err)
|
|
secondBlockMaxt := firstBlockMaxT + rangeToTriggerCompaction
|
|
_, err = app.Append(0, lbl, secondBlockMaxt, rand.Float64()) // Add samples to trigger a new compaction
|
|
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
for x := 0; x < 100; x++ {
|
|
if len(db.Blocks()) == 2 {
|
|
break
|
|
}
|
|
time.Sleep(100 * time.Millisecond)
|
|
}
|
|
require.Len(t, db.Blocks(), 2, "no new block created after the set timeout")
|
|
|
|
require.LessOrEqual(t, db.Blocks()[1].Meta().MinTime, db.Blocks()[0].Meta().MaxTime,
|
|
"new block overlaps old:%v,new:%v", db.Blocks()[0].Meta(), db.Blocks()[1].Meta())
|
|
|
|
// Test that wal records are skipped when an existing block covers the same time ranges
|
|
// and compaction doesn't create an overlapping block.
|
|
app = db.Appender(ctx)
|
|
db.DisableCompactions()
|
|
_, err = app.Append(0, lbl, secondBlockMaxt+1, rand.Float64())
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, lbl, secondBlockMaxt+2, rand.Float64())
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, lbl, secondBlockMaxt+3, rand.Float64())
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, lbl, secondBlockMaxt+4, rand.Float64())
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
require.NoError(t, db.Close())
|
|
|
|
thirdBlockMaxt := secondBlockMaxt + 2
|
|
createBlock(t, dir, genSeries(1, 1, secondBlockMaxt+1, thirdBlockMaxt))
|
|
|
|
db, err = open(dir, logger, nil, DefaultOptions(), []int64{10000}, nil)
|
|
require.NoError(t, err)
|
|
|
|
defer db.Close()
|
|
require.Len(t, db.Blocks(), 3, "db doesn't include expected number of blocks")
|
|
require.Equal(t, db.Blocks()[2].Meta().MaxTime, thirdBlockMaxt, "unexpected maxt of the last block")
|
|
|
|
app = db.Appender(ctx)
|
|
_, err = app.Append(0, lbl, thirdBlockMaxt+rangeToTriggerCompaction, rand.Float64()) // Trigger a compaction
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
for x := 0; x < 100; x++ {
|
|
if len(db.Blocks()) == 4 {
|
|
break
|
|
}
|
|
time.Sleep(100 * time.Millisecond)
|
|
}
|
|
|
|
require.Len(t, db.Blocks(), 4, "no new block created after the set timeout")
|
|
|
|
require.LessOrEqual(t, db.Blocks()[3].Meta().MinTime, db.Blocks()[2].Meta().MaxTime,
|
|
"new block overlaps old:%v,new:%v", db.Blocks()[2].Meta(), db.Blocks()[3].Meta())
|
|
}
|
|
|
|
// TestDBReadOnly ensures that opening a DB in readonly mode doesn't modify any files on the disk.
|
|
// It also checks that the API calls return equivalent results as a normal db.Open() mode.
|
|
func TestDBReadOnly(t *testing.T) {
|
|
var (
|
|
dbDir string
|
|
logger = log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
|
|
expBlocks []*Block
|
|
expBlock *Block
|
|
expSeries map[string][]chunks.Sample
|
|
expChunks map[string][][]chunks.Sample
|
|
expDBHash []byte
|
|
matchAll = labels.MustNewMatcher(labels.MatchEqual, "", "")
|
|
err error
|
|
)
|
|
|
|
// Bootstrap the db.
|
|
{
|
|
dbDir = t.TempDir()
|
|
|
|
dbBlocks := []*BlockMeta{
|
|
// Create three 2-sample blocks.
|
|
{MinTime: 10, MaxTime: 12},
|
|
{MinTime: 12, MaxTime: 14},
|
|
{MinTime: 14, MaxTime: 16},
|
|
}
|
|
|
|
for _, m := range dbBlocks {
|
|
_ = createBlock(t, dbDir, genSeries(1, 1, m.MinTime, m.MaxTime))
|
|
}
|
|
|
|
// Add head to test DBReadOnly WAL reading capabilities.
|
|
w, err := wlog.New(logger, nil, filepath.Join(dbDir, "wal"), wlog.CompressionSnappy)
|
|
require.NoError(t, err)
|
|
h := createHead(t, w, genSeries(1, 1, 16, 18), dbDir)
|
|
require.NoError(t, h.Close())
|
|
}
|
|
|
|
// Open a normal db to use for a comparison.
|
|
{
|
|
dbWritable, err := Open(dbDir, logger, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
dbWritable.DisableCompactions()
|
|
|
|
dbSizeBeforeAppend, err := fileutil.DirSize(dbWritable.Dir())
|
|
require.NoError(t, err)
|
|
app := dbWritable.Appender(context.Background())
|
|
_, err = app.Append(0, labels.FromStrings("foo", "bar"), dbWritable.Head().MaxTime()+1, 0)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
expBlocks = dbWritable.Blocks()
|
|
expBlock = expBlocks[0]
|
|
expDbSize, err := fileutil.DirSize(dbWritable.Dir())
|
|
require.NoError(t, err)
|
|
require.Greater(t, expDbSize, dbSizeBeforeAppend, "db size didn't increase after an append")
|
|
|
|
q, err := dbWritable.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
expSeries = query(t, q, matchAll)
|
|
cq, err := dbWritable.ChunkQuerier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
expChunks = queryAndExpandChunks(t, cq, matchAll)
|
|
|
|
require.NoError(t, dbWritable.Close()) // Close here to allow getting the dir hash for windows.
|
|
expDBHash = testutil.DirHash(t, dbWritable.Dir())
|
|
}
|
|
|
|
// Open a read only db and ensure that the API returns the same result as the normal DB.
|
|
dbReadOnly, err := OpenDBReadOnly(dbDir, "", logger)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, dbReadOnly.Close()) }()
|
|
|
|
t.Run("blocks", func(t *testing.T) {
|
|
blocks, err := dbReadOnly.Blocks()
|
|
require.NoError(t, err)
|
|
require.Equal(t, len(expBlocks), len(blocks))
|
|
for i, expBlock := range expBlocks {
|
|
require.Equal(t, expBlock.Meta(), blocks[i].Meta(), "block meta mismatch")
|
|
}
|
|
})
|
|
t.Run("block", func(t *testing.T) {
|
|
blockID := expBlock.meta.ULID.String()
|
|
block, err := dbReadOnly.Block(blockID)
|
|
require.NoError(t, err)
|
|
require.Equal(t, expBlock.Meta(), block.Meta(), "block meta mismatch")
|
|
})
|
|
t.Run("invalid block ID", func(t *testing.T) {
|
|
blockID := "01GTDVZZF52NSWB5SXQF0P2PGF"
|
|
_, err := dbReadOnly.Block(blockID)
|
|
require.Error(t, err)
|
|
})
|
|
t.Run("last block ID", func(t *testing.T) {
|
|
blockID, err := dbReadOnly.LastBlockID()
|
|
require.NoError(t, err)
|
|
require.Equal(t, expBlocks[2].Meta().ULID.String(), blockID)
|
|
})
|
|
t.Run("querier", func(t *testing.T) {
|
|
// Open a read only db and ensure that the API returns the same result as the normal DB.
|
|
q, err := dbReadOnly.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
readOnlySeries := query(t, q, matchAll)
|
|
readOnlyDBHash := testutil.DirHash(t, dbDir)
|
|
|
|
require.Equal(t, len(expSeries), len(readOnlySeries), "total series mismatch")
|
|
require.Equal(t, expSeries, readOnlySeries, "series mismatch")
|
|
require.Equal(t, expDBHash, readOnlyDBHash, "after all read operations the db hash should remain the same")
|
|
})
|
|
t.Run("chunk querier", func(t *testing.T) {
|
|
cq, err := dbReadOnly.ChunkQuerier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
readOnlySeries := queryAndExpandChunks(t, cq, matchAll)
|
|
readOnlyDBHash := testutil.DirHash(t, dbDir)
|
|
|
|
require.Equal(t, len(expChunks), len(readOnlySeries), "total series mismatch")
|
|
require.Equal(t, expChunks, readOnlySeries, "series chunks mismatch")
|
|
require.Equal(t, expDBHash, readOnlyDBHash, "after all read operations the db hash should remain the same")
|
|
})
|
|
}
|
|
|
|
// TestDBReadOnlyClosing ensures that after closing the db
|
|
// all api methods return an ErrClosed.
|
|
func TestDBReadOnlyClosing(t *testing.T) {
|
|
sandboxDir := t.TempDir()
|
|
db, err := OpenDBReadOnly(t.TempDir(), sandboxDir, log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr)))
|
|
require.NoError(t, err)
|
|
// The sandboxDir was there.
|
|
require.DirExists(t, db.sandboxDir)
|
|
require.NoError(t, db.Close())
|
|
// The sandboxDir was deleted when closing.
|
|
require.NoDirExists(t, db.sandboxDir)
|
|
require.Equal(t, db.Close(), ErrClosed)
|
|
_, err = db.Blocks()
|
|
require.Equal(t, err, ErrClosed)
|
|
_, err = db.Querier(0, 1)
|
|
require.Equal(t, err, ErrClosed)
|
|
}
|
|
|
|
func TestDBReadOnly_FlushWAL(t *testing.T) {
|
|
var (
|
|
dbDir string
|
|
logger = log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
|
|
err error
|
|
maxt int
|
|
ctx = context.Background()
|
|
)
|
|
|
|
// Bootstrap the db.
|
|
{
|
|
dbDir = t.TempDir()
|
|
|
|
// Append data to the WAL.
|
|
db, err := Open(dbDir, logger, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
app := db.Appender(ctx)
|
|
maxt = 1000
|
|
for i := 0; i < maxt; i++ {
|
|
_, err := app.Append(0, labels.FromStrings(defaultLabelName, "flush"), int64(i), 1.0)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
require.NoError(t, db.Close())
|
|
}
|
|
|
|
// Flush WAL.
|
|
db, err := OpenDBReadOnly(dbDir, "", logger)
|
|
require.NoError(t, err)
|
|
|
|
flush := t.TempDir()
|
|
require.NoError(t, db.FlushWAL(flush))
|
|
require.NoError(t, db.Close())
|
|
|
|
// Reopen the DB from the flushed WAL block.
|
|
db, err = OpenDBReadOnly(flush, "", logger)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, db.Close()) }()
|
|
blocks, err := db.Blocks()
|
|
require.NoError(t, err)
|
|
require.Len(t, blocks, 1)
|
|
|
|
querier, err := db.Querier(0, int64(maxt)-1)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, querier.Close()) }()
|
|
|
|
// Sum the values.
|
|
seriesSet := querier.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, defaultLabelName, "flush"))
|
|
var series chunkenc.Iterator
|
|
|
|
sum := 0.0
|
|
for seriesSet.Next() {
|
|
series = seriesSet.At().Iterator(series)
|
|
for series.Next() == chunkenc.ValFloat {
|
|
_, v := series.At()
|
|
sum += v
|
|
}
|
|
require.NoError(t, series.Err())
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Empty(t, seriesSet.Warnings())
|
|
require.Equal(t, 1000.0, sum)
|
|
}
|
|
|
|
func TestDBReadOnly_Querier_NoAlteration(t *testing.T) {
|
|
countChunks := func(dir string) int {
|
|
files, err := os.ReadDir(mmappedChunksDir(dir))
|
|
require.NoError(t, err)
|
|
return len(files)
|
|
}
|
|
|
|
dirHash := func(dir string) (hash []byte) {
|
|
// Windows requires the DB to be closed: "xxx\lock: The process cannot access the file because it is being used by another process."
|
|
// But closing the DB alters the directory in this case (it'll cut a new chunk).
|
|
if runtime.GOOS != "windows" {
|
|
hash = testutil.DirHash(t, dir)
|
|
}
|
|
return
|
|
}
|
|
|
|
spinUpQuerierAndCheck := func(dir, sandboxDir string, chunksCount int) {
|
|
dBDirHash := dirHash(dir)
|
|
// Bootstrap a RO db from the same dir and set up a querier.
|
|
dbReadOnly, err := OpenDBReadOnly(dir, sandboxDir, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, chunksCount, countChunks(dir))
|
|
q, err := dbReadOnly.Querier(math.MinInt, math.MaxInt)
|
|
require.NoError(t, err)
|
|
require.NoError(t, q.Close())
|
|
require.NoError(t, dbReadOnly.Close())
|
|
// The RO Head doesn't alter RW db chunks_head/.
|
|
require.Equal(t, chunksCount, countChunks(dir))
|
|
require.Equal(t, dirHash(dir), dBDirHash)
|
|
}
|
|
|
|
t.Run("doesn't cut chunks while replaying WAL", func(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Append until the first mmapped head chunk.
|
|
for i := 0; i < 121; i++ {
|
|
app := db.Appender(context.Background())
|
|
_, err := app.Append(0, labels.FromStrings("foo", "bar"), int64(i), 0)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
spinUpQuerierAndCheck(db.dir, t.TempDir(), 0)
|
|
|
|
// The RW Head should have no problem cutting its own chunk,
|
|
// this also proves that a chunk needed to be cut.
|
|
require.NotPanics(t, func() { db.ForceHeadMMap() })
|
|
require.Equal(t, 1, countChunks(db.dir))
|
|
})
|
|
|
|
t.Run("doesn't truncate corrupted chunks", func(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
require.NoError(t, db.Close())
|
|
|
|
// Simulate a corrupted chunk: without a header.
|
|
chunk, err := os.Create(path.Join(mmappedChunksDir(db.dir), "000001"))
|
|
require.NoError(t, err)
|
|
require.NoError(t, chunk.Close())
|
|
|
|
spinUpQuerierAndCheck(db.dir, t.TempDir(), 1)
|
|
|
|
// The RW Head should have no problem truncating its corrupted file:
|
|
// this proves that the chunk needed to be truncated.
|
|
db, err = Open(db.dir, nil, nil, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, countChunks(db.dir))
|
|
})
|
|
}
|
|
|
|
func TestDBCannotSeePartialCommits(t *testing.T) {
|
|
if defaultIsolationDisabled {
|
|
t.Skip("skipping test since tsdb isolation is disabled")
|
|
}
|
|
|
|
tmpdir := t.TempDir()
|
|
|
|
db, err := Open(tmpdir, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
stop := make(chan struct{})
|
|
firstInsert := make(chan struct{})
|
|
ctx := context.Background()
|
|
|
|
// Insert data in batches.
|
|
go func() {
|
|
iter := 0
|
|
for {
|
|
app := db.Appender(ctx)
|
|
|
|
for j := 0; j < 100; j++ {
|
|
_, err := app.Append(0, labels.FromStrings("foo", "bar", "a", strconv.Itoa(j)), int64(iter), float64(iter))
|
|
require.NoError(t, err)
|
|
}
|
|
err = app.Commit()
|
|
require.NoError(t, err)
|
|
|
|
if iter == 0 {
|
|
close(firstInsert)
|
|
}
|
|
iter++
|
|
|
|
select {
|
|
case <-stop:
|
|
return
|
|
default:
|
|
}
|
|
}
|
|
}()
|
|
|
|
<-firstInsert
|
|
|
|
// This is a race condition, so do a few tests to tickle it.
|
|
// Usually most will fail.
|
|
inconsistencies := 0
|
|
for i := 0; i < 10; i++ {
|
|
func() {
|
|
querier, err := db.Querier(0, 1000000)
|
|
require.NoError(t, err)
|
|
defer querier.Close()
|
|
|
|
ss := querier.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
_, seriesSet, ws, err := expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
|
|
values := map[float64]struct{}{}
|
|
for _, series := range seriesSet {
|
|
values[series[len(series)-1].f] = struct{}{}
|
|
}
|
|
if len(values) != 1 {
|
|
inconsistencies++
|
|
}
|
|
}()
|
|
}
|
|
stop <- struct{}{}
|
|
|
|
require.Equal(t, 0, inconsistencies, "Some queries saw inconsistent results.")
|
|
}
|
|
|
|
func TestDBQueryDoesntSeeAppendsAfterCreation(t *testing.T) {
|
|
if defaultIsolationDisabled {
|
|
t.Skip("skipping test since tsdb isolation is disabled")
|
|
}
|
|
|
|
tmpdir := t.TempDir()
|
|
|
|
db, err := Open(tmpdir, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
defer db.Close()
|
|
|
|
querierBeforeAdd, err := db.Querier(0, 1000000)
|
|
require.NoError(t, err)
|
|
defer querierBeforeAdd.Close()
|
|
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("foo", "bar"), 0, 0)
|
|
require.NoError(t, err)
|
|
|
|
querierAfterAddButBeforeCommit, err := db.Querier(0, 1000000)
|
|
require.NoError(t, err)
|
|
defer querierAfterAddButBeforeCommit.Close()
|
|
|
|
// None of the queriers should return anything after the Add but before the commit.
|
|
ss := querierBeforeAdd.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
_, seriesSet, ws, err := expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, map[string][]sample{}, seriesSet)
|
|
|
|
ss = querierAfterAddButBeforeCommit.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
_, seriesSet, ws, err = expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, map[string][]sample{}, seriesSet)
|
|
|
|
// This commit is after the queriers are created, so should not be returned.
|
|
err = app.Commit()
|
|
require.NoError(t, err)
|
|
|
|
// Nothing returned for querier created before the Add.
|
|
ss = querierBeforeAdd.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
_, seriesSet, ws, err = expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, map[string][]sample{}, seriesSet)
|
|
|
|
// Series exists but has no samples for querier created after Add.
|
|
ss = querierAfterAddButBeforeCommit.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
_, seriesSet, ws, err = expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, map[string][]sample{`{foo="bar"}`: {}}, seriesSet)
|
|
|
|
querierAfterCommit, err := db.Querier(0, 1000000)
|
|
require.NoError(t, err)
|
|
defer querierAfterCommit.Close()
|
|
|
|
// Samples are returned for querier created after Commit.
|
|
ss = querierAfterCommit.Select(ctx, false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
_, seriesSet, ws, err = expandSeriesSet(ss)
|
|
require.NoError(t, err)
|
|
require.Empty(t, ws)
|
|
require.Equal(t, map[string][]sample{`{foo="bar"}`: {{t: 0, f: 0}}}, seriesSet)
|
|
}
|
|
|
|
func assureChunkFromSamples(t *testing.T, samples []chunks.Sample) chunks.Meta {
|
|
chks, err := chunks.ChunkFromSamples(samples)
|
|
require.NoError(t, err)
|
|
return chks
|
|
}
|
|
|
|
// TestChunkWriter_ReadAfterWrite ensures that chunk segment are cut at the set segment size and
|
|
// that the resulted segments includes the expected chunks data.
|
|
func TestChunkWriter_ReadAfterWrite(t *testing.T) {
|
|
chk1 := assureChunkFromSamples(t, []chunks.Sample{sample{1, 1, nil, nil}})
|
|
chk2 := assureChunkFromSamples(t, []chunks.Sample{sample{1, 2, nil, nil}})
|
|
chk3 := assureChunkFromSamples(t, []chunks.Sample{sample{1, 3, nil, nil}})
|
|
chk4 := assureChunkFromSamples(t, []chunks.Sample{sample{1, 4, nil, nil}})
|
|
chk5 := assureChunkFromSamples(t, []chunks.Sample{sample{1, 5, nil, nil}})
|
|
chunkSize := len(chk1.Chunk.Bytes()) + chunks.MaxChunkLengthFieldSize + chunks.ChunkEncodingSize + crc32.Size
|
|
|
|
tests := []struct {
|
|
chks [][]chunks.Meta
|
|
segmentSize,
|
|
expSegmentsCount int
|
|
expSegmentSizes []int
|
|
}{
|
|
// 0:Last chunk ends at the segment boundary so
|
|
// all chunks should fit in a single segment.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
chk2,
|
|
chk3,
|
|
},
|
|
},
|
|
segmentSize: 3 * chunkSize,
|
|
expSegmentSizes: []int{3 * chunkSize},
|
|
expSegmentsCount: 1,
|
|
},
|
|
// 1:Two chunks can fit in a single segment so the last one should result in a new segment.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
chk2,
|
|
chk3,
|
|
chk4,
|
|
chk5,
|
|
},
|
|
},
|
|
segmentSize: 2 * chunkSize,
|
|
expSegmentSizes: []int{2 * chunkSize, 2 * chunkSize, chunkSize},
|
|
expSegmentsCount: 3,
|
|
},
|
|
// 2:When the segment size is smaller than the size of 2 chunks
|
|
// the last segment should still create a new segment.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
chk2,
|
|
chk3,
|
|
},
|
|
},
|
|
segmentSize: 2*chunkSize - 1,
|
|
expSegmentSizes: []int{chunkSize, chunkSize, chunkSize},
|
|
expSegmentsCount: 3,
|
|
},
|
|
// 3:When the segment is smaller than a single chunk
|
|
// it should still be written by ignoring the max segment size.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
},
|
|
},
|
|
segmentSize: chunkSize - 1,
|
|
expSegmentSizes: []int{chunkSize},
|
|
expSegmentsCount: 1,
|
|
},
|
|
// 4:All chunks are bigger than the max segment size, but
|
|
// these should still be written even when this will result in bigger segment than the set size.
|
|
// Each segment will hold a single chunk.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
chk2,
|
|
chk3,
|
|
},
|
|
},
|
|
segmentSize: 1,
|
|
expSegmentSizes: []int{chunkSize, chunkSize, chunkSize},
|
|
expSegmentsCount: 3,
|
|
},
|
|
// 5:Adding multiple batches of chunks.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
chk2,
|
|
chk3,
|
|
},
|
|
{
|
|
chk4,
|
|
chk5,
|
|
},
|
|
},
|
|
segmentSize: 3 * chunkSize,
|
|
expSegmentSizes: []int{3 * chunkSize, 2 * chunkSize},
|
|
expSegmentsCount: 2,
|
|
},
|
|
// 6:Adding multiple batches of chunks.
|
|
{
|
|
chks: [][]chunks.Meta{
|
|
{
|
|
chk1,
|
|
},
|
|
{
|
|
chk2,
|
|
chk3,
|
|
},
|
|
{
|
|
chk4,
|
|
},
|
|
},
|
|
segmentSize: 2 * chunkSize,
|
|
expSegmentSizes: []int{2 * chunkSize, 2 * chunkSize},
|
|
expSegmentsCount: 2,
|
|
},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
|
tempDir := t.TempDir()
|
|
|
|
chunkw, err := chunks.NewWriterWithSegSize(tempDir, chunks.SegmentHeaderSize+int64(test.segmentSize))
|
|
require.NoError(t, err)
|
|
|
|
for _, chks := range test.chks {
|
|
require.NoError(t, chunkw.WriteChunks(chks...))
|
|
}
|
|
require.NoError(t, chunkw.Close())
|
|
|
|
files, err := os.ReadDir(tempDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, test.expSegmentsCount, "expected segments count mismatch")
|
|
|
|
// Verify that all data is written to the segments.
|
|
sizeExp := 0
|
|
sizeAct := 0
|
|
|
|
for _, chks := range test.chks {
|
|
for _, chk := range chks {
|
|
l := make([]byte, binary.MaxVarintLen32)
|
|
sizeExp += binary.PutUvarint(l, uint64(len(chk.Chunk.Bytes()))) // The length field.
|
|
sizeExp += chunks.ChunkEncodingSize
|
|
sizeExp += len(chk.Chunk.Bytes()) // The data itself.
|
|
sizeExp += crc32.Size // The 4 bytes of crc32
|
|
}
|
|
}
|
|
sizeExp += test.expSegmentsCount * chunks.SegmentHeaderSize // The segment header bytes.
|
|
|
|
for i, f := range files {
|
|
fi, err := f.Info()
|
|
require.NoError(t, err)
|
|
size := int(fi.Size())
|
|
// Verify that the segment is the same or smaller than the expected size.
|
|
require.GreaterOrEqual(t, chunks.SegmentHeaderSize+test.expSegmentSizes[i], size, "Segment:%v should NOT be bigger than:%v actual:%v", i, chunks.SegmentHeaderSize+test.expSegmentSizes[i], size)
|
|
|
|
sizeAct += size
|
|
}
|
|
require.Equal(t, sizeExp, sizeAct)
|
|
|
|
// Check the content of the chunks.
|
|
r, err := chunks.NewDirReader(tempDir, nil)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, r.Close()) }()
|
|
|
|
for _, chks := range test.chks {
|
|
for _, chkExp := range chks {
|
|
chkAct, iterable, err := r.ChunkOrIterable(chkExp)
|
|
require.NoError(t, err)
|
|
require.Nil(t, iterable)
|
|
require.Equal(t, chkExp.Chunk.Bytes(), chkAct.Bytes())
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRangeForTimestamp(t *testing.T) {
|
|
type args struct {
|
|
t int64
|
|
width int64
|
|
}
|
|
tests := []struct {
|
|
args args
|
|
expected int64
|
|
}{
|
|
{args{0, 5}, 5},
|
|
{args{1, 5}, 5},
|
|
{args{5, 5}, 10},
|
|
{args{6, 5}, 10},
|
|
{args{13, 5}, 15},
|
|
{args{95, 5}, 100},
|
|
}
|
|
for _, tt := range tests {
|
|
got := rangeForTimestamp(tt.args.t, tt.args.width)
|
|
require.Equal(t, tt.expected, got)
|
|
}
|
|
}
|
|
|
|
// TestChunkReader_ConcurrentReads checks that the chunk result can be read concurrently.
|
|
// Regression test for https://github.com/prometheus/prometheus/pull/6514.
|
|
func TestChunkReader_ConcurrentReads(t *testing.T) {
|
|
chks := []chunks.Meta{
|
|
assureChunkFromSamples(t, []chunks.Sample{sample{1, 1, nil, nil}}),
|
|
assureChunkFromSamples(t, []chunks.Sample{sample{1, 2, nil, nil}}),
|
|
assureChunkFromSamples(t, []chunks.Sample{sample{1, 3, nil, nil}}),
|
|
assureChunkFromSamples(t, []chunks.Sample{sample{1, 4, nil, nil}}),
|
|
assureChunkFromSamples(t, []chunks.Sample{sample{1, 5, nil, nil}}),
|
|
}
|
|
|
|
tempDir := t.TempDir()
|
|
|
|
chunkw, err := chunks.NewWriter(tempDir)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, chunkw.WriteChunks(chks...))
|
|
require.NoError(t, chunkw.Close())
|
|
|
|
r, err := chunks.NewDirReader(tempDir, nil)
|
|
require.NoError(t, err)
|
|
|
|
var wg sync.WaitGroup
|
|
for _, chk := range chks {
|
|
for i := 0; i < 100; i++ {
|
|
wg.Add(1)
|
|
go func(chunk chunks.Meta) {
|
|
defer wg.Done()
|
|
|
|
chkAct, iterable, err := r.ChunkOrIterable(chunk)
|
|
require.NoError(t, err)
|
|
require.Nil(t, iterable)
|
|
require.Equal(t, chunk.Chunk.Bytes(), chkAct.Bytes())
|
|
}(chk)
|
|
}
|
|
wg.Wait()
|
|
}
|
|
require.NoError(t, r.Close())
|
|
}
|
|
|
|
// TestCompactHead ensures that the head compaction
|
|
// creates a block that is ready for loading and
|
|
// does not cause data loss.
|
|
// This test:
|
|
// * opens a storage;
|
|
// * appends values;
|
|
// * compacts the head; and
|
|
// * queries the db to ensure the samples are present from the compacted head.
|
|
func TestCompactHead(t *testing.T) {
|
|
dbDir := t.TempDir()
|
|
|
|
// Open a DB and append data to the WAL.
|
|
tsdbCfg := &Options{
|
|
RetentionDuration: int64(time.Hour * 24 * 15 / time.Millisecond),
|
|
NoLockfile: true,
|
|
MinBlockDuration: int64(time.Hour * 2 / time.Millisecond),
|
|
MaxBlockDuration: int64(time.Hour * 2 / time.Millisecond),
|
|
WALCompression: wlog.CompressionSnappy,
|
|
}
|
|
|
|
db, err := Open(dbDir, log.NewNopLogger(), prometheus.NewRegistry(), tsdbCfg, nil)
|
|
require.NoError(t, err)
|
|
ctx := context.Background()
|
|
app := db.Appender(ctx)
|
|
var expSamples []sample
|
|
maxt := 100
|
|
for i := 0; i < maxt; i++ {
|
|
val := rand.Float64()
|
|
_, err := app.Append(0, labels.FromStrings("a", "b"), int64(i), val)
|
|
require.NoError(t, err)
|
|
expSamples = append(expSamples, sample{int64(i), val, nil, nil})
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Compact the Head to create a new block.
|
|
require.NoError(t, db.CompactHead(NewRangeHead(db.Head(), 0, int64(maxt)-1)))
|
|
require.NoError(t, db.Close())
|
|
|
|
// Delete everything but the new block and
|
|
// reopen the db to query it to ensure it includes the head data.
|
|
require.NoError(t, deleteNonBlocks(db.Dir()))
|
|
db, err = Open(dbDir, log.NewNopLogger(), prometheus.NewRegistry(), tsdbCfg, nil)
|
|
require.NoError(t, err)
|
|
require.Len(t, db.Blocks(), 1)
|
|
require.Equal(t, int64(maxt), db.Head().MinTime())
|
|
defer func() { require.NoError(t, db.Close()) }()
|
|
querier, err := db.Querier(0, int64(maxt)-1)
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, querier.Close()) }()
|
|
|
|
seriesSet := querier.Select(ctx, false, nil, &labels.Matcher{Type: labels.MatchEqual, Name: "a", Value: "b"})
|
|
var series chunkenc.Iterator
|
|
var actSamples []sample
|
|
|
|
for seriesSet.Next() {
|
|
series = seriesSet.At().Iterator(series)
|
|
for series.Next() == chunkenc.ValFloat {
|
|
time, val := series.At()
|
|
actSamples = append(actSamples, sample{time, val, nil, nil})
|
|
}
|
|
require.NoError(t, series.Err())
|
|
}
|
|
require.Equal(t, expSamples, actSamples)
|
|
require.NoError(t, seriesSet.Err())
|
|
}
|
|
|
|
// TestCompactHeadWithDeletion tests https://github.com/prometheus/prometheus/issues/11585.
|
|
func TestCompactHeadWithDeletion(t *testing.T) {
|
|
db, err := Open(t.TempDir(), log.NewNopLogger(), prometheus.NewRegistry(), nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
ctx := context.Background()
|
|
|
|
app := db.Appender(ctx)
|
|
_, err = app.Append(0, labels.FromStrings("a", "b"), 10, rand.Float64())
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
err = db.Delete(ctx, 0, 100, labels.MustNewMatcher(labels.MatchEqual, "a", "b"))
|
|
require.NoError(t, err)
|
|
|
|
// This recreates the bug.
|
|
require.NoError(t, db.CompactHead(NewRangeHead(db.Head(), 0, 100)))
|
|
require.NoError(t, db.Close())
|
|
}
|
|
|
|
func deleteNonBlocks(dbDir string) error {
|
|
dirs, err := os.ReadDir(dbDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, dir := range dirs {
|
|
if ok := isBlockDir(dir); !ok {
|
|
if err := os.RemoveAll(filepath.Join(dbDir, dir.Name())); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
dirs, err = os.ReadDir(dbDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, dir := range dirs {
|
|
if ok := isBlockDir(dir); !ok {
|
|
return fmt.Errorf("root folder:%v still hase non block directory:%v", dbDir, dir.Name())
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func TestOpen_VariousBlockStates(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
|
|
var (
|
|
expectedLoadedDirs = map[string]struct{}{}
|
|
expectedRemovedDirs = map[string]struct{}{}
|
|
expectedIgnoredDirs = map[string]struct{}{}
|
|
)
|
|
|
|
{
|
|
// Ok blocks; should be loaded.
|
|
expectedLoadedDirs[createBlock(t, tmpDir, genSeries(10, 2, 0, 10))] = struct{}{}
|
|
expectedLoadedDirs[createBlock(t, tmpDir, genSeries(10, 2, 10, 20))] = struct{}{}
|
|
}
|
|
{
|
|
// Block to repair; should be repaired & loaded.
|
|
dbDir := filepath.Join("testdata", "repair_index_version", "01BZJ9WJQPWHGNC2W4J9TA62KC")
|
|
outDir := filepath.Join(tmpDir, "01BZJ9WJQPWHGNC2W4J9TA62KC")
|
|
expectedLoadedDirs[outDir] = struct{}{}
|
|
|
|
// Touch chunks dir in block.
|
|
require.NoError(t, os.MkdirAll(filepath.Join(dbDir, "chunks"), 0o777))
|
|
defer func() {
|
|
require.NoError(t, os.RemoveAll(filepath.Join(dbDir, "chunks")))
|
|
}()
|
|
require.NoError(t, os.Mkdir(outDir, os.ModePerm))
|
|
require.NoError(t, fileutil.CopyDirs(dbDir, outDir))
|
|
}
|
|
{
|
|
// Missing meta.json; should be ignored and only logged.
|
|
// TODO(bwplotka): Probably add metric.
|
|
dir := createBlock(t, tmpDir, genSeries(10, 2, 20, 30))
|
|
expectedIgnoredDirs[dir] = struct{}{}
|
|
require.NoError(t, os.Remove(filepath.Join(dir, metaFilename)))
|
|
}
|
|
{
|
|
// Tmp blocks during creation; those should be removed on start.
|
|
dir := createBlock(t, tmpDir, genSeries(10, 2, 30, 40))
|
|
require.NoError(t, fileutil.Replace(dir, dir+tmpForCreationBlockDirSuffix))
|
|
expectedRemovedDirs[dir+tmpForCreationBlockDirSuffix] = struct{}{}
|
|
|
|
// Tmp blocks during deletion; those should be removed on start.
|
|
dir = createBlock(t, tmpDir, genSeries(10, 2, 40, 50))
|
|
require.NoError(t, fileutil.Replace(dir, dir+tmpForDeletionBlockDirSuffix))
|
|
expectedRemovedDirs[dir+tmpForDeletionBlockDirSuffix] = struct{}{}
|
|
|
|
// Pre-2.21 tmp blocks; those should be removed on start.
|
|
dir = createBlock(t, tmpDir, genSeries(10, 2, 50, 60))
|
|
require.NoError(t, fileutil.Replace(dir, dir+tmpLegacy))
|
|
expectedRemovedDirs[dir+tmpLegacy] = struct{}{}
|
|
}
|
|
{
|
|
// One ok block; but two should be replaced.
|
|
dir := createBlock(t, tmpDir, genSeries(10, 2, 50, 60))
|
|
expectedLoadedDirs[dir] = struct{}{}
|
|
|
|
m, _, err := readMetaFile(dir)
|
|
require.NoError(t, err)
|
|
|
|
compacted := createBlock(t, tmpDir, genSeries(10, 2, 50, 55))
|
|
expectedRemovedDirs[compacted] = struct{}{}
|
|
|
|
m.Compaction.Parents = append(m.Compaction.Parents,
|
|
BlockDesc{ULID: ulid.MustParse(filepath.Base(compacted))},
|
|
BlockDesc{ULID: ulid.MustNew(1, nil)},
|
|
BlockDesc{ULID: ulid.MustNew(123, nil)},
|
|
)
|
|
|
|
// Regression test: Already removed parent can be still in list, which was causing Open errors.
|
|
m.Compaction.Parents = append(m.Compaction.Parents, BlockDesc{ULID: ulid.MustParse(filepath.Base(compacted))})
|
|
m.Compaction.Parents = append(m.Compaction.Parents, BlockDesc{ULID: ulid.MustParse(filepath.Base(compacted))})
|
|
_, err = writeMetaFile(log.NewLogfmtLogger(os.Stderr), dir, m)
|
|
require.NoError(t, err)
|
|
}
|
|
tmpCheckpointDir := path.Join(tmpDir, "wal/checkpoint.00000001.tmp")
|
|
err := os.MkdirAll(tmpCheckpointDir, 0o777)
|
|
require.NoError(t, err)
|
|
tmpChunkSnapshotDir := path.Join(tmpDir, chunkSnapshotPrefix+"0000.00000001.tmp")
|
|
err = os.MkdirAll(tmpChunkSnapshotDir, 0o777)
|
|
require.NoError(t, err)
|
|
|
|
opts := DefaultOptions()
|
|
opts.RetentionDuration = 0
|
|
db, err := Open(tmpDir, log.NewLogfmtLogger(os.Stderr), nil, opts, nil)
|
|
require.NoError(t, err)
|
|
|
|
loadedBlocks := db.Blocks()
|
|
|
|
var loaded int
|
|
for _, l := range loadedBlocks {
|
|
_, ok := expectedLoadedDirs[filepath.Join(tmpDir, l.meta.ULID.String())]
|
|
require.True(t, ok, "unexpected block", l.meta.ULID, "was loaded")
|
|
loaded++
|
|
}
|
|
require.Len(t, expectedLoadedDirs, loaded)
|
|
require.NoError(t, db.Close())
|
|
|
|
files, err := os.ReadDir(tmpDir)
|
|
require.NoError(t, err)
|
|
|
|
var ignored int
|
|
for _, f := range files {
|
|
_, ok := expectedRemovedDirs[filepath.Join(tmpDir, f.Name())]
|
|
require.False(t, ok, "expected", filepath.Join(tmpDir, f.Name()), "to be removed, but still exists")
|
|
if _, ok := expectedIgnoredDirs[filepath.Join(tmpDir, f.Name())]; ok {
|
|
ignored++
|
|
}
|
|
}
|
|
require.Len(t, expectedIgnoredDirs, ignored)
|
|
_, err = os.Stat(tmpCheckpointDir)
|
|
require.True(t, os.IsNotExist(err))
|
|
_, err = os.Stat(tmpChunkSnapshotDir)
|
|
require.True(t, os.IsNotExist(err))
|
|
}
|
|
|
|
func TestOneCheckpointPerCompactCall(t *testing.T) {
|
|
blockRange := int64(1000)
|
|
tsdbCfg := &Options{
|
|
RetentionDuration: blockRange * 1000,
|
|
NoLockfile: true,
|
|
MinBlockDuration: blockRange,
|
|
MaxBlockDuration: blockRange,
|
|
}
|
|
|
|
tmpDir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
db, err := Open(tmpDir, log.NewNopLogger(), prometheus.NewRegistry(), tsdbCfg, nil)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
db.DisableCompactions()
|
|
|
|
// Case 1: Lot's of uncompacted data in Head.
|
|
|
|
lbls := labels.FromStrings("foo_d", "choco_bar")
|
|
// Append samples spanning 59 block ranges.
|
|
app := db.Appender(context.Background())
|
|
for i := int64(0); i < 60; i++ {
|
|
_, err := app.Append(0, lbls, blockRange*i, rand.Float64())
|
|
require.NoError(t, err)
|
|
_, err = app.Append(0, lbls, (blockRange*i)+blockRange/2, rand.Float64())
|
|
require.NoError(t, err)
|
|
// Rotate the WAL file so that there is >3 files for checkpoint to happen.
|
|
_, err = db.head.wal.NextSegment()
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Check the existing WAL files.
|
|
first, last, err := wlog.Segments(db.head.wal.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, first)
|
|
require.Equal(t, 60, last)
|
|
|
|
require.Equal(t, 0.0, prom_testutil.ToFloat64(db.head.metrics.checkpointCreationTotal))
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.checkpointCreationTotal))
|
|
|
|
// As the data spans for 59 blocks, 58 go to disk and 1 remains in Head.
|
|
require.Len(t, db.Blocks(), 58)
|
|
// Though WAL was truncated only once, head should be truncated after each compaction.
|
|
require.Equal(t, 58.0, prom_testutil.ToFloat64(db.head.metrics.headTruncateTotal))
|
|
|
|
// The compaction should have only truncated first 2/3 of WAL (while also rotating the files).
|
|
first, last, err = wlog.Segments(db.head.wal.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 40, first)
|
|
require.Equal(t, 61, last)
|
|
|
|
// The first checkpoint would be for first 2/3rd of WAL, hence till 39.
|
|
// That should be the last checkpoint.
|
|
_, cno, err := wlog.LastCheckpoint(db.head.wal.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 39, cno)
|
|
|
|
// Case 2: Old blocks on disk.
|
|
// The above blocks will act as old blocks.
|
|
|
|
// Creating a block to cover the data in the Head so that
|
|
// Head will skip the data during replay and start fresh.
|
|
blocks := db.Blocks()
|
|
newBlockMint := blocks[len(blocks)-1].Meta().MaxTime
|
|
newBlockMaxt := db.Head().MaxTime() + 1
|
|
require.NoError(t, db.Close())
|
|
|
|
createBlock(t, db.dir, genSeries(1, 1, newBlockMint, newBlockMaxt))
|
|
|
|
db, err = Open(db.dir, log.NewNopLogger(), prometheus.NewRegistry(), tsdbCfg, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
|
|
// 1 block more.
|
|
require.Len(t, db.Blocks(), 59)
|
|
// No series in Head because of this new block.
|
|
require.Equal(t, 0, int(db.head.NumSeries()))
|
|
|
|
// Adding sample way into the future.
|
|
app = db.Appender(context.Background())
|
|
_, err = app.Append(0, lbls, blockRange*120, rand.Float64())
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// The mint of head is the last block maxt, that means the gap between mint and maxt
|
|
// of Head is too large. This will trigger many compactions.
|
|
require.Equal(t, newBlockMaxt, db.head.MinTime())
|
|
|
|
// Another WAL file was rotated.
|
|
first, last, err = wlog.Segments(db.head.wal.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 40, first)
|
|
require.Equal(t, 62, last)
|
|
|
|
require.Equal(t, 0.0, prom_testutil.ToFloat64(db.head.metrics.checkpointCreationTotal))
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.checkpointCreationTotal))
|
|
|
|
// No new blocks should be created as there was not data in between the new samples and the blocks.
|
|
require.Len(t, db.Blocks(), 59)
|
|
|
|
// The compaction should have only truncated first 2/3 of WAL (while also rotating the files).
|
|
first, last, err = wlog.Segments(db.head.wal.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 55, first)
|
|
require.Equal(t, 63, last)
|
|
|
|
// The first checkpoint would be for first 2/3rd of WAL, hence till 54.
|
|
// That should be the last checkpoint.
|
|
_, cno, err = wlog.LastCheckpoint(db.head.wal.Dir())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 54, cno)
|
|
}
|
|
|
|
func TestNoPanicOnTSDBOpenError(t *testing.T) {
|
|
tmpdir := t.TempDir()
|
|
|
|
// Taking the lock will cause a TSDB startup error.
|
|
l, err := tsdbutil.NewDirLocker(tmpdir, "tsdb", log.NewNopLogger(), nil)
|
|
require.NoError(t, err)
|
|
require.NoError(t, l.Lock())
|
|
|
|
_, err = Open(tmpdir, nil, nil, DefaultOptions(), nil)
|
|
require.Error(t, err)
|
|
|
|
require.NoError(t, l.Release())
|
|
}
|
|
|
|
func TestLockfile(t *testing.T) {
|
|
tsdbutil.TestDirLockerUsage(t, func(t *testing.T, data string, createLock bool) (*tsdbutil.DirLocker, testutil.Closer) {
|
|
opts := DefaultOptions()
|
|
opts.NoLockfile = !createLock
|
|
|
|
// Create the DB. This should create lockfile and its metrics.
|
|
db, err := Open(data, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
|
|
return db.locker, testutil.NewCallbackCloser(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestQuerier_ShouldNotPanicIfHeadChunkIsTruncatedWhileReadingQueriedChunks(t *testing.T) {
|
|
t.Skip("TODO: investigate why process crash in CI")
|
|
|
|
const numRuns = 5
|
|
|
|
for i := 1; i <= numRuns; i++ {
|
|
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
|
testQuerierShouldNotPanicIfHeadChunkIsTruncatedWhileReadingQueriedChunks(t)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testQuerierShouldNotPanicIfHeadChunkIsTruncatedWhileReadingQueriedChunks(t *testing.T) {
|
|
const (
|
|
numSeries = 1000
|
|
numStressIterations = 10000
|
|
minStressAllocationBytes = 128 * 1024
|
|
maxStressAllocationBytes = 512 * 1024
|
|
)
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Disable compactions so we can control it.
|
|
db.DisableCompactions()
|
|
|
|
// Generate the metrics we're going to append.
|
|
metrics := make([]labels.Labels, 0, numSeries)
|
|
for i := 0; i < numSeries; i++ {
|
|
metrics = append(metrics, labels.FromStrings(labels.MetricName, fmt.Sprintf("test_%d", i)))
|
|
}
|
|
|
|
// Push 1 sample every 15s for 2x the block duration period.
|
|
ctx := context.Background()
|
|
interval := int64(15 * time.Second / time.Millisecond)
|
|
ts := int64(0)
|
|
|
|
for ; ts < 2*DefaultBlockDuration; ts += interval {
|
|
app := db.Appender(ctx)
|
|
|
|
for _, metric := range metrics {
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Compact the TSDB head for the first time. We expect the head chunks file has been cut.
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, float64(1), prom_testutil.ToFloat64(db.Head().metrics.headTruncateTotal))
|
|
|
|
// Push more samples for another 1x block duration period.
|
|
for ; ts < 3*DefaultBlockDuration; ts += interval {
|
|
app := db.Appender(ctx)
|
|
|
|
for _, metric := range metrics {
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// At this point we expect 2 mmap-ed head chunks.
|
|
|
|
// Get a querier and make sure it's closed only once the test is over.
|
|
querier, err := db.Querier(0, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
require.NoError(t, querier.Close())
|
|
}()
|
|
|
|
// Query back all series.
|
|
hints := &storage.SelectHints{Start: 0, End: math.MaxInt64, Step: interval}
|
|
seriesSet := querier.Select(ctx, true, hints, labels.MustNewMatcher(labels.MatchRegexp, labels.MetricName, ".+"))
|
|
|
|
// Fetch samples iterators from all series.
|
|
var iterators []chunkenc.Iterator
|
|
actualSeries := 0
|
|
for seriesSet.Next() {
|
|
actualSeries++
|
|
|
|
// Get the iterator and call Next() so that we're sure the chunk is loaded.
|
|
it := seriesSet.At().Iterator(nil)
|
|
it.Next()
|
|
it.At()
|
|
|
|
iterators = append(iterators, it)
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Equal(t, numSeries, actualSeries)
|
|
|
|
// Compact the TSDB head again.
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, float64(2), prom_testutil.ToFloat64(db.Head().metrics.headTruncateTotal))
|
|
|
|
// At this point we expect 1 head chunk has been deleted.
|
|
|
|
// Stress the memory and call GC. This is required to increase the chances
|
|
// the chunk memory area is released to the kernel.
|
|
var buf []byte
|
|
for i := 0; i < numStressIterations; i++ {
|
|
//nolint:staticcheck
|
|
buf = append(buf, make([]byte, minStressAllocationBytes+rand.Int31n(maxStressAllocationBytes-minStressAllocationBytes))...)
|
|
if i%1000 == 0 {
|
|
buf = nil
|
|
}
|
|
}
|
|
|
|
// Iterate samples. Here we're summing it just to make sure no golang compiler
|
|
// optimization triggers in case we discard the result of it.At().
|
|
var sum float64
|
|
var firstErr error
|
|
for _, it := range iterators {
|
|
for it.Next() == chunkenc.ValFloat {
|
|
_, v := it.At()
|
|
sum += v
|
|
}
|
|
|
|
if err := it.Err(); err != nil {
|
|
firstErr = err
|
|
}
|
|
}
|
|
|
|
// After having iterated all samples we also want to be sure no error occurred or
|
|
// the "cannot populate chunk XXX: not found" error occurred. This error can occur
|
|
// when the iterator tries to fetch an head chunk which has been offloaded because
|
|
// of the head compaction in the meanwhile.
|
|
if firstErr != nil {
|
|
require.ErrorContains(t, firstErr, "cannot populate chunk")
|
|
}
|
|
}
|
|
|
|
func TestChunkQuerier_ShouldNotPanicIfHeadChunkIsTruncatedWhileReadingQueriedChunks(t *testing.T) {
|
|
t.Skip("TODO: investigate why process crash in CI")
|
|
|
|
const numRuns = 5
|
|
|
|
for i := 1; i <= numRuns; i++ {
|
|
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
|
testChunkQuerierShouldNotPanicIfHeadChunkIsTruncatedWhileReadingQueriedChunks(t)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testChunkQuerierShouldNotPanicIfHeadChunkIsTruncatedWhileReadingQueriedChunks(t *testing.T) {
|
|
const (
|
|
numSeries = 1000
|
|
numStressIterations = 10000
|
|
minStressAllocationBytes = 128 * 1024
|
|
maxStressAllocationBytes = 512 * 1024
|
|
)
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Disable compactions so we can control it.
|
|
db.DisableCompactions()
|
|
|
|
// Generate the metrics we're going to append.
|
|
metrics := make([]labels.Labels, 0, numSeries)
|
|
for i := 0; i < numSeries; i++ {
|
|
metrics = append(metrics, labels.FromStrings(labels.MetricName, fmt.Sprintf("test_%d", i)))
|
|
}
|
|
|
|
// Push 1 sample every 15s for 2x the block duration period.
|
|
ctx := context.Background()
|
|
interval := int64(15 * time.Second / time.Millisecond)
|
|
ts := int64(0)
|
|
|
|
for ; ts < 2*DefaultBlockDuration; ts += interval {
|
|
app := db.Appender(ctx)
|
|
|
|
for _, metric := range metrics {
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Compact the TSDB head for the first time. We expect the head chunks file has been cut.
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, float64(1), prom_testutil.ToFloat64(db.Head().metrics.headTruncateTotal))
|
|
|
|
// Push more samples for another 1x block duration period.
|
|
for ; ts < 3*DefaultBlockDuration; ts += interval {
|
|
app := db.Appender(ctx)
|
|
|
|
for _, metric := range metrics {
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// At this point we expect 2 mmap-ed head chunks.
|
|
|
|
// Get a querier and make sure it's closed only once the test is over.
|
|
querier, err := db.ChunkQuerier(0, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
require.NoError(t, querier.Close())
|
|
}()
|
|
|
|
// Query back all series.
|
|
hints := &storage.SelectHints{Start: 0, End: math.MaxInt64, Step: interval}
|
|
seriesSet := querier.Select(ctx, true, hints, labels.MustNewMatcher(labels.MatchRegexp, labels.MetricName, ".+"))
|
|
|
|
// Iterate all series and get their chunks.
|
|
var it chunks.Iterator
|
|
var chunks []chunkenc.Chunk
|
|
actualSeries := 0
|
|
for seriesSet.Next() {
|
|
actualSeries++
|
|
it = seriesSet.At().Iterator(it)
|
|
for it.Next() {
|
|
chunks = append(chunks, it.At().Chunk)
|
|
}
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Equal(t, numSeries, actualSeries)
|
|
|
|
// Compact the TSDB head again.
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Equal(t, float64(2), prom_testutil.ToFloat64(db.Head().metrics.headTruncateTotal))
|
|
|
|
// At this point we expect 1 head chunk has been deleted.
|
|
|
|
// Stress the memory and call GC. This is required to increase the chances
|
|
// the chunk memory area is released to the kernel.
|
|
var buf []byte
|
|
for i := 0; i < numStressIterations; i++ {
|
|
//nolint:staticcheck
|
|
buf = append(buf, make([]byte, minStressAllocationBytes+rand.Int31n(maxStressAllocationBytes-minStressAllocationBytes))...)
|
|
if i%1000 == 0 {
|
|
buf = nil
|
|
}
|
|
}
|
|
|
|
// Iterate chunks and read their bytes slice. Here we're computing the CRC32
|
|
// just to iterate through the bytes slice. We don't really care the reason why
|
|
// we read this data, we just need to read it to make sure the memory address
|
|
// of the []byte is still valid.
|
|
chkCRC32 := crc32.New(crc32.MakeTable(crc32.Castagnoli))
|
|
for _, chunk := range chunks {
|
|
chkCRC32.Reset()
|
|
_, err := chkCRC32.Write(chunk.Bytes())
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
func TestQuerierShouldNotFailIfOOOCompactionOccursAfterRetrievingQuerier(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 3 * DefaultBlockDuration
|
|
db := openTestDB(t, opts, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Disable compactions so we can control it.
|
|
db.DisableCompactions()
|
|
|
|
metric := labels.FromStrings(labels.MetricName, "test_metric")
|
|
ctx := context.Background()
|
|
interval := int64(15 * time.Second / time.Millisecond)
|
|
ts := int64(0)
|
|
samplesWritten := 0
|
|
|
|
// Capture the first timestamp - this will be the timestamp of the OOO sample we'll append below.
|
|
oooTS := ts
|
|
ts += interval
|
|
|
|
// Push samples after the OOO sample we'll write below.
|
|
for ; ts < 10*interval; ts += interval {
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
samplesWritten++
|
|
}
|
|
|
|
// Push a single OOO sample.
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, metric, oooTS, float64(ts))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
samplesWritten++
|
|
|
|
// Get a querier.
|
|
querierCreatedBeforeCompaction, err := db.ChunkQuerier(0, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
// Start OOO head compaction.
|
|
compactionComplete := atomic.NewBool(false)
|
|
go func() {
|
|
defer compactionComplete.Store(true)
|
|
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
require.Equal(t, float64(1), prom_testutil.ToFloat64(db.Head().metrics.chunksRemoved))
|
|
}()
|
|
|
|
// Give CompactOOOHead time to start work.
|
|
// If it does not wait for querierCreatedBeforeCompaction to be closed, then the query will return incorrect results or fail.
|
|
time.Sleep(time.Second)
|
|
require.False(t, compactionComplete.Load(), "compaction completed before reading chunks or closing querier created before compaction")
|
|
|
|
// Get another querier. This one should only use the compacted blocks from disk and ignore the chunks that will be garbage collected.
|
|
querierCreatedAfterCompaction, err := db.ChunkQuerier(0, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
testQuerier := func(q storage.ChunkQuerier) {
|
|
// Query back the series.
|
|
hints := &storage.SelectHints{Start: 0, End: math.MaxInt64, Step: interval}
|
|
seriesSet := q.Select(ctx, true, hints, labels.MustNewMatcher(labels.MatchEqual, labels.MetricName, "test_metric"))
|
|
|
|
// Collect the iterator for the series.
|
|
var iterators []chunks.Iterator
|
|
for seriesSet.Next() {
|
|
iterators = append(iterators, seriesSet.At().Iterator(nil))
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Len(t, iterators, 1)
|
|
iterator := iterators[0]
|
|
|
|
// Check that we can still successfully read all samples.
|
|
samplesRead := 0
|
|
for iterator.Next() {
|
|
samplesRead += iterator.At().Chunk.NumSamples()
|
|
}
|
|
|
|
require.NoError(t, iterator.Err())
|
|
require.Equal(t, samplesWritten, samplesRead)
|
|
}
|
|
|
|
testQuerier(querierCreatedBeforeCompaction)
|
|
|
|
require.False(t, compactionComplete.Load(), "compaction completed before closing querier created before compaction")
|
|
require.NoError(t, querierCreatedBeforeCompaction.Close())
|
|
require.Eventually(t, compactionComplete.Load, time.Second, 10*time.Millisecond, "compaction should complete after querier created before compaction was closed, and not wait for querier created after compaction")
|
|
|
|
// Use the querier created after compaction and confirm it returns the expected results (ie. from the disk block created from OOO head and in-order head) without error.
|
|
testQuerier(querierCreatedAfterCompaction)
|
|
require.NoError(t, querierCreatedAfterCompaction.Close())
|
|
}
|
|
|
|
func TestQuerierShouldNotFailIfOOOCompactionOccursAfterSelecting(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 3 * DefaultBlockDuration
|
|
db := openTestDB(t, opts, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Disable compactions so we can control it.
|
|
db.DisableCompactions()
|
|
|
|
metric := labels.FromStrings(labels.MetricName, "test_metric")
|
|
ctx := context.Background()
|
|
interval := int64(15 * time.Second / time.Millisecond)
|
|
ts := int64(0)
|
|
samplesWritten := 0
|
|
|
|
// Capture the first timestamp - this will be the timestamp of the OOO sample we'll append below.
|
|
oooTS := ts
|
|
ts += interval
|
|
|
|
// Push samples after the OOO sample we'll write below.
|
|
for ; ts < 10*interval; ts += interval {
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
samplesWritten++
|
|
}
|
|
|
|
// Push a single OOO sample.
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, metric, oooTS, float64(ts))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
samplesWritten++
|
|
|
|
// Get a querier.
|
|
querier, err := db.ChunkQuerier(0, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
// Query back the series.
|
|
hints := &storage.SelectHints{Start: 0, End: math.MaxInt64, Step: interval}
|
|
seriesSet := querier.Select(ctx, true, hints, labels.MustNewMatcher(labels.MatchEqual, labels.MetricName, "test_metric"))
|
|
|
|
// Start OOO head compaction.
|
|
compactionComplete := atomic.NewBool(false)
|
|
go func() {
|
|
defer compactionComplete.Store(true)
|
|
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
require.Equal(t, float64(1), prom_testutil.ToFloat64(db.Head().metrics.chunksRemoved))
|
|
}()
|
|
|
|
// Give CompactOOOHead time to start work.
|
|
// If it does not wait for the querier to be closed, then the query will return incorrect results or fail.
|
|
time.Sleep(time.Second)
|
|
require.False(t, compactionComplete.Load(), "compaction completed before reading chunks or closing querier")
|
|
|
|
// Collect the iterator for the series.
|
|
var iterators []chunks.Iterator
|
|
for seriesSet.Next() {
|
|
iterators = append(iterators, seriesSet.At().Iterator(nil))
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Len(t, iterators, 1)
|
|
iterator := iterators[0]
|
|
|
|
// Check that we can still successfully read all samples.
|
|
samplesRead := 0
|
|
for iterator.Next() {
|
|
samplesRead += iterator.At().Chunk.NumSamples()
|
|
}
|
|
|
|
require.NoError(t, iterator.Err())
|
|
require.Equal(t, samplesWritten, samplesRead)
|
|
|
|
require.False(t, compactionComplete.Load(), "compaction completed before closing querier")
|
|
require.NoError(t, querier.Close())
|
|
require.Eventually(t, compactionComplete.Load, time.Second, 10*time.Millisecond, "compaction should complete after querier was closed")
|
|
}
|
|
|
|
func TestQuerierShouldNotFailIfOOOCompactionOccursAfterRetrievingIterators(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 3 * DefaultBlockDuration
|
|
db := openTestDB(t, opts, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Disable compactions so we can control it.
|
|
db.DisableCompactions()
|
|
|
|
metric := labels.FromStrings(labels.MetricName, "test_metric")
|
|
ctx := context.Background()
|
|
interval := int64(15 * time.Second / time.Millisecond)
|
|
ts := int64(0)
|
|
samplesWritten := 0
|
|
|
|
// Capture the first timestamp - this will be the timestamp of the OOO sample we'll append below.
|
|
oooTS := ts
|
|
ts += interval
|
|
|
|
// Push samples after the OOO sample we'll write below.
|
|
for ; ts < 10*interval; ts += interval {
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, metric, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
samplesWritten++
|
|
}
|
|
|
|
// Push a single OOO sample.
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, metric, oooTS, float64(ts))
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
samplesWritten++
|
|
|
|
// Get a querier.
|
|
querier, err := db.ChunkQuerier(0, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
// Query back the series.
|
|
hints := &storage.SelectHints{Start: 0, End: math.MaxInt64, Step: interval}
|
|
seriesSet := querier.Select(ctx, true, hints, labels.MustNewMatcher(labels.MatchEqual, labels.MetricName, "test_metric"))
|
|
|
|
// Collect the iterator for the series.
|
|
var iterators []chunks.Iterator
|
|
for seriesSet.Next() {
|
|
iterators = append(iterators, seriesSet.At().Iterator(nil))
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Len(t, iterators, 1)
|
|
iterator := iterators[0]
|
|
|
|
// Start OOO head compaction.
|
|
compactionComplete := atomic.NewBool(false)
|
|
go func() {
|
|
defer compactionComplete.Store(true)
|
|
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
require.Equal(t, float64(1), prom_testutil.ToFloat64(db.Head().metrics.chunksRemoved))
|
|
}()
|
|
|
|
// Give CompactOOOHead time to start work.
|
|
// If it does not wait for the querier to be closed, then the query will return incorrect results or fail.
|
|
time.Sleep(time.Second)
|
|
require.False(t, compactionComplete.Load(), "compaction completed before reading chunks or closing querier")
|
|
|
|
// Check that we can still successfully read all samples.
|
|
samplesRead := 0
|
|
for iterator.Next() {
|
|
samplesRead += iterator.At().Chunk.NumSamples()
|
|
}
|
|
|
|
require.NoError(t, iterator.Err())
|
|
require.Equal(t, samplesWritten, samplesRead)
|
|
|
|
require.False(t, compactionComplete.Load(), "compaction completed before closing querier")
|
|
require.NoError(t, querier.Close())
|
|
require.Eventually(t, compactionComplete.Load, time.Second, 10*time.Millisecond, "compaction should complete after querier was closed")
|
|
}
|
|
|
|
func newTestDB(t *testing.T) *DB {
|
|
dir := t.TempDir()
|
|
|
|
db, err := Open(dir, nil, nil, DefaultOptions(), nil)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
return db
|
|
}
|
|
|
|
func TestOOOWALWrite(t *testing.T) {
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
|
|
s := labels.NewSymbolTable()
|
|
scratchBuilder1 := labels.NewScratchBuilderWithSymbolTable(s, 1)
|
|
scratchBuilder1.Add("l", "v1")
|
|
s1 := scratchBuilder1.Labels()
|
|
scratchBuilder2 := labels.NewScratchBuilderWithSymbolTable(s, 1)
|
|
scratchBuilder2.Add("l", "v2")
|
|
s2 := scratchBuilder2.Labels()
|
|
|
|
scenarios := map[string]struct {
|
|
appendSample func(app storage.Appender, l labels.Labels, mins int64) (storage.SeriesRef, error)
|
|
expectedOOORecords []interface{}
|
|
expectedInORecords []interface{}
|
|
}{
|
|
"float": {
|
|
appendSample: func(app storage.Appender, l labels.Labels, mins int64) (storage.SeriesRef, error) {
|
|
seriesRef, err := app.Append(0, l, minutes(mins), float64(mins))
|
|
require.NoError(t, err)
|
|
return seriesRef, nil
|
|
},
|
|
expectedOOORecords: []interface{}{
|
|
// The MmapRef in this are not hand calculated, and instead taken from the test run.
|
|
// What is important here is the order of records, and that MmapRef increases for each record.
|
|
[]record.RefMmapMarker{
|
|
{Ref: 1},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 1, T: minutes(40), V: 40},
|
|
},
|
|
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(42), V: 42},
|
|
},
|
|
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(45), V: 45},
|
|
{Ref: 1, T: minutes(35), V: 35},
|
|
},
|
|
[]record.RefMmapMarker{ // 3rd sample, hence m-mapped.
|
|
{Ref: 1, MmapRef: 0x100000000 + 8},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 1, T: minutes(36), V: 36},
|
|
{Ref: 1, T: minutes(37), V: 37},
|
|
},
|
|
|
|
[]record.RefMmapMarker{ // 3rd sample, hence m-mapped.
|
|
{Ref: 1, MmapRef: 0x100000000 + 58},
|
|
},
|
|
[]record.RefSample{ // Does not contain the in-order sample here.
|
|
{Ref: 1, T: minutes(50), V: 50},
|
|
},
|
|
|
|
// Single commit but multiple OOO records.
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2, MmapRef: 0x100000000 + 107},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(50), V: 50},
|
|
{Ref: 2, T: minutes(51), V: 51},
|
|
},
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2, MmapRef: 0x100000000 + 156},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(52), V: 52},
|
|
{Ref: 2, T: minutes(53), V: 53},
|
|
},
|
|
},
|
|
expectedInORecords: []interface{}{
|
|
[]record.RefSeries{
|
|
{Ref: 1, Labels: s1},
|
|
{Ref: 2, Labels: s2},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 1, T: minutes(60), V: 60},
|
|
{Ref: 2, T: minutes(60), V: 60},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 1, T: minutes(40), V: 40},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(42), V: 42},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(45), V: 45},
|
|
{Ref: 1, T: minutes(35), V: 35},
|
|
{Ref: 1, T: minutes(36), V: 36},
|
|
{Ref: 1, T: minutes(37), V: 37},
|
|
},
|
|
[]record.RefSample{ // Contains both in-order and ooo sample.
|
|
{Ref: 1, T: minutes(50), V: 50},
|
|
{Ref: 2, T: minutes(65), V: 65},
|
|
},
|
|
[]record.RefSample{
|
|
{Ref: 2, T: minutes(50), V: 50},
|
|
{Ref: 2, T: minutes(51), V: 51},
|
|
{Ref: 2, T: minutes(52), V: 52},
|
|
{Ref: 2, T: minutes(53), V: 53},
|
|
},
|
|
},
|
|
},
|
|
"integer histogram": {
|
|
appendSample: func(app storage.Appender, l labels.Labels, mins int64) (storage.SeriesRef, error) {
|
|
seriesRef, err := app.AppendHistogram(0, l, minutes(mins), tsdbutil.GenerateTestHistogram(int(mins)), nil)
|
|
require.NoError(t, err)
|
|
return seriesRef, nil
|
|
},
|
|
expectedOOORecords: []interface{}{
|
|
// The MmapRef in this are not hand calculated, and instead taken from the test run.
|
|
// What is important here is the order of records, and that MmapRef increases for each record.
|
|
[]record.RefMmapMarker{
|
|
{Ref: 1},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 1, T: minutes(40), H: tsdbutil.GenerateTestHistogram(40)},
|
|
},
|
|
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(42), H: tsdbutil.GenerateTestHistogram(42)},
|
|
},
|
|
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(45), H: tsdbutil.GenerateTestHistogram(45)},
|
|
{Ref: 1, T: minutes(35), H: tsdbutil.GenerateTestHistogram(35)},
|
|
},
|
|
[]record.RefMmapMarker{ // 3rd sample, hence m-mapped.
|
|
{Ref: 1, MmapRef: 0x100000000 + 8},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 1, T: minutes(36), H: tsdbutil.GenerateTestHistogram(36)},
|
|
{Ref: 1, T: minutes(37), H: tsdbutil.GenerateTestHistogram(37)},
|
|
},
|
|
|
|
[]record.RefMmapMarker{ // 3rd sample, hence m-mapped.
|
|
{Ref: 1, MmapRef: 0x100000000 + 89},
|
|
},
|
|
[]record.RefHistogramSample{ // Does not contain the in-order sample here.
|
|
{Ref: 1, T: minutes(50), H: tsdbutil.GenerateTestHistogram(50)},
|
|
},
|
|
|
|
// Single commit but multiple OOO records.
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2, MmapRef: 0x100000000 + 172},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(50), H: tsdbutil.GenerateTestHistogram(50)},
|
|
{Ref: 2, T: minutes(51), H: tsdbutil.GenerateTestHistogram(51)},
|
|
},
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2, MmapRef: 0x100000000 + 257},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(52), H: tsdbutil.GenerateTestHistogram(52)},
|
|
{Ref: 2, T: minutes(53), H: tsdbutil.GenerateTestHistogram(53)},
|
|
},
|
|
},
|
|
expectedInORecords: []interface{}{
|
|
[]record.RefSeries{
|
|
{Ref: 1, Labels: s1},
|
|
{Ref: 2, Labels: s2},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 1, T: minutes(60), H: tsdbutil.GenerateTestHistogram(60)},
|
|
{Ref: 2, T: minutes(60), H: tsdbutil.GenerateTestHistogram(60)},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 1, T: minutes(40), H: tsdbutil.GenerateTestHistogram(40)},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(42), H: tsdbutil.GenerateTestHistogram(42)},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(45), H: tsdbutil.GenerateTestHistogram(45)},
|
|
{Ref: 1, T: minutes(35), H: tsdbutil.GenerateTestHistogram(35)},
|
|
{Ref: 1, T: minutes(36), H: tsdbutil.GenerateTestHistogram(36)},
|
|
{Ref: 1, T: minutes(37), H: tsdbutil.GenerateTestHistogram(37)},
|
|
},
|
|
[]record.RefHistogramSample{ // Contains both in-order and ooo sample.
|
|
{Ref: 1, T: minutes(50), H: tsdbutil.GenerateTestHistogram(50)},
|
|
{Ref: 2, T: minutes(65), H: tsdbutil.GenerateTestHistogram(65)},
|
|
},
|
|
[]record.RefHistogramSample{
|
|
{Ref: 2, T: minutes(50), H: tsdbutil.GenerateTestHistogram(50)},
|
|
{Ref: 2, T: minutes(51), H: tsdbutil.GenerateTestHistogram(51)},
|
|
{Ref: 2, T: minutes(52), H: tsdbutil.GenerateTestHistogram(52)},
|
|
{Ref: 2, T: minutes(53), H: tsdbutil.GenerateTestHistogram(53)},
|
|
},
|
|
},
|
|
},
|
|
"float histogram": {
|
|
appendSample: func(app storage.Appender, l labels.Labels, mins int64) (storage.SeriesRef, error) {
|
|
seriesRef, err := app.AppendHistogram(0, l, minutes(mins), nil, tsdbutil.GenerateTestFloatHistogram(int(mins)))
|
|
require.NoError(t, err)
|
|
return seriesRef, nil
|
|
},
|
|
expectedOOORecords: []interface{}{
|
|
// The MmapRef in this are not hand calculated, and instead taken from the test run.
|
|
// What is important here is the order of records, and that MmapRef increases for each record.
|
|
[]record.RefMmapMarker{
|
|
{Ref: 1},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 1, T: minutes(40), FH: tsdbutil.GenerateTestFloatHistogram(40)},
|
|
},
|
|
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(42), FH: tsdbutil.GenerateTestFloatHistogram(42)},
|
|
},
|
|
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(45), FH: tsdbutil.GenerateTestFloatHistogram(45)},
|
|
{Ref: 1, T: minutes(35), FH: tsdbutil.GenerateTestFloatHistogram(35)},
|
|
},
|
|
[]record.RefMmapMarker{ // 3rd sample, hence m-mapped.
|
|
{Ref: 1, MmapRef: 0x100000000 + 8},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 1, T: minutes(36), FH: tsdbutil.GenerateTestFloatHistogram(36)},
|
|
{Ref: 1, T: minutes(37), FH: tsdbutil.GenerateTestFloatHistogram(37)},
|
|
},
|
|
|
|
[]record.RefMmapMarker{ // 3rd sample, hence m-mapped.
|
|
{Ref: 1, MmapRef: 0x100000000 + 177},
|
|
},
|
|
[]record.RefFloatHistogramSample{ // Does not contain the in-order sample here.
|
|
{Ref: 1, T: minutes(50), FH: tsdbutil.GenerateTestFloatHistogram(50)},
|
|
},
|
|
|
|
// Single commit but multiple OOO records.
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2, MmapRef: 0x100000000 + 348},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(50), FH: tsdbutil.GenerateTestFloatHistogram(50)},
|
|
{Ref: 2, T: minutes(51), FH: tsdbutil.GenerateTestFloatHistogram(51)},
|
|
},
|
|
[]record.RefMmapMarker{
|
|
{Ref: 2, MmapRef: 0x100000000 + 521},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(52), FH: tsdbutil.GenerateTestFloatHistogram(52)},
|
|
{Ref: 2, T: minutes(53), FH: tsdbutil.GenerateTestFloatHistogram(53)},
|
|
},
|
|
},
|
|
expectedInORecords: []interface{}{
|
|
[]record.RefSeries{
|
|
{Ref: 1, Labels: s1},
|
|
{Ref: 2, Labels: s2},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 1, T: minutes(60), FH: tsdbutil.GenerateTestFloatHistogram(60)},
|
|
{Ref: 2, T: minutes(60), FH: tsdbutil.GenerateTestFloatHistogram(60)},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 1, T: minutes(40), FH: tsdbutil.GenerateTestFloatHistogram(40)},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(42), FH: tsdbutil.GenerateTestFloatHistogram(42)},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(45), FH: tsdbutil.GenerateTestFloatHistogram(45)},
|
|
{Ref: 1, T: minutes(35), FH: tsdbutil.GenerateTestFloatHistogram(35)},
|
|
{Ref: 1, T: minutes(36), FH: tsdbutil.GenerateTestFloatHistogram(36)},
|
|
{Ref: 1, T: minutes(37), FH: tsdbutil.GenerateTestFloatHistogram(37)},
|
|
},
|
|
[]record.RefFloatHistogramSample{ // Contains both in-order and ooo sample.
|
|
{Ref: 1, T: minutes(50), FH: tsdbutil.GenerateTestFloatHistogram(50)},
|
|
{Ref: 2, T: minutes(65), FH: tsdbutil.GenerateTestFloatHistogram(65)},
|
|
},
|
|
[]record.RefFloatHistogramSample{
|
|
{Ref: 2, T: minutes(50), FH: tsdbutil.GenerateTestFloatHistogram(50)},
|
|
{Ref: 2, T: minutes(51), FH: tsdbutil.GenerateTestFloatHistogram(51)},
|
|
{Ref: 2, T: minutes(52), FH: tsdbutil.GenerateTestFloatHistogram(52)},
|
|
{Ref: 2, T: minutes(53), FH: tsdbutil.GenerateTestFloatHistogram(53)},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOWALWrite(t, scenario.appendSample, scenario.expectedOOORecords, scenario.expectedInORecords)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOWALWrite(t *testing.T,
|
|
appendSample func(app storage.Appender, l labels.Labels, mins int64) (storage.SeriesRef, error),
|
|
expectedOOORecords []interface{},
|
|
expectedInORecords []interface{},
|
|
) {
|
|
dir := t.TempDir()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 2
|
|
opts.OutOfOrderTimeWindow = 30 * time.Minute.Milliseconds()
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
s1, s2 := labels.FromStrings("l", "v1"), labels.FromStrings("l", "v2")
|
|
|
|
// Ingest sample at 1h.
|
|
app := db.Appender(context.Background())
|
|
appendSample(app, s1, 60)
|
|
appendSample(app, s2, 60)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// OOO for s1.
|
|
app = db.Appender(context.Background())
|
|
appendSample(app, s1, 40)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// OOO for s2.
|
|
app = db.Appender(context.Background())
|
|
appendSample(app, s2, 42)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// OOO for both s1 and s2 in the same commit.
|
|
app = db.Appender(context.Background())
|
|
appendSample(app, s2, 45)
|
|
appendSample(app, s1, 35)
|
|
appendSample(app, s1, 36) // m-maps.
|
|
appendSample(app, s1, 37)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// OOO for s1 but not for s2 in the same commit.
|
|
app = db.Appender(context.Background())
|
|
appendSample(app, s1, 50) // m-maps.
|
|
appendSample(app, s2, 65)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Single commit has 2 times m-mapping and more samples after m-map.
|
|
app = db.Appender(context.Background())
|
|
appendSample(app, s2, 50) // m-maps.
|
|
appendSample(app, s2, 51)
|
|
appendSample(app, s2, 52) // m-maps.
|
|
appendSample(app, s2, 53)
|
|
require.NoError(t, app.Commit())
|
|
|
|
getRecords := func(walDir string) []interface{} {
|
|
sr, err := wlog.NewSegmentsReader(walDir)
|
|
require.NoError(t, err)
|
|
r := wlog.NewReader(sr)
|
|
defer func() {
|
|
require.NoError(t, sr.Close())
|
|
}()
|
|
|
|
var records []interface{}
|
|
dec := record.NewDecoder(nil)
|
|
for r.Next() {
|
|
rec := r.Record()
|
|
switch typ := dec.Type(rec); typ {
|
|
case record.Series:
|
|
series, err := dec.Series(rec, nil)
|
|
require.NoError(t, err)
|
|
records = append(records, series)
|
|
case record.Samples:
|
|
samples, err := dec.Samples(rec, nil)
|
|
require.NoError(t, err)
|
|
records = append(records, samples)
|
|
case record.MmapMarkers:
|
|
markers, err := dec.MmapMarkers(rec, nil)
|
|
require.NoError(t, err)
|
|
records = append(records, markers)
|
|
case record.HistogramSamples:
|
|
histogramSamples, err := dec.HistogramSamples(rec, nil)
|
|
require.NoError(t, err)
|
|
records = append(records, histogramSamples)
|
|
case record.FloatHistogramSamples:
|
|
floatHistogramSamples, err := dec.FloatHistogramSamples(rec, nil)
|
|
require.NoError(t, err)
|
|
records = append(records, floatHistogramSamples)
|
|
default:
|
|
t.Fatalf("got a WAL record that is not series or samples: %v", typ)
|
|
}
|
|
}
|
|
|
|
return records
|
|
}
|
|
|
|
// The normal WAL.
|
|
actRecs := getRecords(path.Join(dir, "wal"))
|
|
require.Equal(t, expectedInORecords, actRecs)
|
|
|
|
// The WBL.
|
|
actRecs = getRecords(path.Join(dir, wlog.WblDirName))
|
|
require.Equal(t, expectedOOORecords, actRecs)
|
|
}
|
|
|
|
// Tests https://github.com/prometheus/prometheus/issues/10291#issuecomment-1044373110.
|
|
func TestDBPanicOnMmappingHeadChunk(t *testing.T) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
db, err := Open(dir, nil, nil, DefaultOptions(), nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
|
|
// Choosing scrape interval of 45s to have chunk larger than 1h.
|
|
itvl := int64(45 * time.Second / time.Millisecond)
|
|
|
|
lastTs := int64(0)
|
|
addSamples := func(numSamples int) {
|
|
app := db.Appender(context.Background())
|
|
var ref storage.SeriesRef
|
|
lbls := labels.FromStrings("__name__", "testing", "foo", "bar")
|
|
for i := 0; i < numSamples; i++ {
|
|
ref, err = app.Append(ref, lbls, lastTs, float64(lastTs))
|
|
require.NoError(t, err)
|
|
lastTs += itvl
|
|
if i%10 == 0 {
|
|
require.NoError(t, app.Commit())
|
|
app = db.Appender(context.Background())
|
|
}
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Ingest samples upto 2h50m to make the head "about to compact".
|
|
numSamples := int(170*time.Minute/time.Millisecond) / int(itvl)
|
|
addSamples(numSamples)
|
|
|
|
require.Empty(t, db.Blocks())
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// Restarting.
|
|
require.NoError(t, db.Close())
|
|
|
|
db, err = Open(dir, nil, nil, DefaultOptions(), nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
|
|
// Ingest samples upto 20m more to make the head compact.
|
|
numSamples = int(20*time.Minute/time.Millisecond) / int(itvl)
|
|
addSamples(numSamples)
|
|
|
|
require.Empty(t, db.Blocks())
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Len(t, db.Blocks(), 1)
|
|
|
|
// More samples to m-map and panic.
|
|
numSamples = int(120*time.Minute/time.Millisecond) / int(itvl)
|
|
addSamples(numSamples)
|
|
|
|
require.NoError(t, db.Close())
|
|
}
|
|
|
|
func TestMetadataInWAL(t *testing.T) {
|
|
updateMetadata := func(t *testing.T, app storage.Appender, s labels.Labels, m metadata.Metadata) {
|
|
_, err := app.UpdateMetadata(0, s, m)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
db := newTestDB(t)
|
|
ctx := context.Background()
|
|
|
|
// Add some series so we can append metadata to them.
|
|
app := db.Appender(ctx)
|
|
s1 := labels.FromStrings("a", "b")
|
|
s2 := labels.FromStrings("c", "d")
|
|
s3 := labels.FromStrings("e", "f")
|
|
s4 := labels.FromStrings("g", "h")
|
|
|
|
for _, s := range []labels.Labels{s1, s2, s3, s4} {
|
|
_, err := app.Append(0, s, 0, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Add a first round of metadata to the first three series.
|
|
// Re-take the Appender, as the previous Commit will have it closed.
|
|
m1 := metadata.Metadata{Type: "gauge", Unit: "unit_1", Help: "help_1"}
|
|
m2 := metadata.Metadata{Type: "gauge", Unit: "unit_2", Help: "help_2"}
|
|
m3 := metadata.Metadata{Type: "gauge", Unit: "unit_3", Help: "help_3"}
|
|
app = db.Appender(ctx)
|
|
updateMetadata(t, app, s1, m1)
|
|
updateMetadata(t, app, s2, m2)
|
|
updateMetadata(t, app, s3, m3)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Add a replicated metadata entry to the first series,
|
|
// a completely new metadata entry for the fourth series,
|
|
// and a changed metadata entry to the second series.
|
|
m4 := metadata.Metadata{Type: "counter", Unit: "unit_4", Help: "help_4"}
|
|
m5 := metadata.Metadata{Type: "counter", Unit: "unit_5", Help: "help_5"}
|
|
app = db.Appender(ctx)
|
|
updateMetadata(t, app, s1, m1)
|
|
updateMetadata(t, app, s4, m4)
|
|
updateMetadata(t, app, s2, m5)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Read the WAL to see if the disk storage format is correct.
|
|
recs := readTestWAL(t, path.Join(db.Dir(), "wal"))
|
|
var gotMetadataBlocks [][]record.RefMetadata
|
|
for _, rec := range recs {
|
|
if mr, ok := rec.([]record.RefMetadata); ok {
|
|
gotMetadataBlocks = append(gotMetadataBlocks, mr)
|
|
}
|
|
}
|
|
|
|
expectedMetadata := []record.RefMetadata{
|
|
{Ref: 1, Type: record.GetMetricType(m1.Type), Unit: m1.Unit, Help: m1.Help},
|
|
{Ref: 2, Type: record.GetMetricType(m2.Type), Unit: m2.Unit, Help: m2.Help},
|
|
{Ref: 3, Type: record.GetMetricType(m3.Type), Unit: m3.Unit, Help: m3.Help},
|
|
{Ref: 4, Type: record.GetMetricType(m4.Type), Unit: m4.Unit, Help: m4.Help},
|
|
{Ref: 2, Type: record.GetMetricType(m5.Type), Unit: m5.Unit, Help: m5.Help},
|
|
}
|
|
require.Len(t, gotMetadataBlocks, 2)
|
|
require.Equal(t, expectedMetadata[:3], gotMetadataBlocks[0])
|
|
require.Equal(t, expectedMetadata[3:], gotMetadataBlocks[1])
|
|
}
|
|
|
|
func TestMetadataCheckpointingOnlyKeepsLatestEntry(t *testing.T) {
|
|
updateMetadata := func(t *testing.T, app storage.Appender, s labels.Labels, m metadata.Metadata) {
|
|
_, err := app.UpdateMetadata(0, s, m)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
numSamples := 10000
|
|
hb, w := newTestHead(t, int64(numSamples)*10, wlog.CompressionNone, false)
|
|
|
|
// Add some series so we can append metadata to them.
|
|
app := hb.Appender(ctx)
|
|
s1 := labels.FromStrings("a", "b")
|
|
s2 := labels.FromStrings("c", "d")
|
|
s3 := labels.FromStrings("e", "f")
|
|
s4 := labels.FromStrings("g", "h")
|
|
|
|
for _, s := range []labels.Labels{s1, s2, s3, s4} {
|
|
_, err := app.Append(0, s, 0, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Add a first round of metadata to the first three series.
|
|
// Re-take the Appender, as the previous Commit will have it closed.
|
|
m1 := metadata.Metadata{Type: "gauge", Unit: "unit_1", Help: "help_1"}
|
|
m2 := metadata.Metadata{Type: "gauge", Unit: "unit_2", Help: "help_2"}
|
|
m3 := metadata.Metadata{Type: "gauge", Unit: "unit_3", Help: "help_3"}
|
|
m4 := metadata.Metadata{Type: "gauge", Unit: "unit_4", Help: "help_4"}
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s1, m1)
|
|
updateMetadata(t, app, s2, m2)
|
|
updateMetadata(t, app, s3, m3)
|
|
updateMetadata(t, app, s4, m4)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Update metadata for first series.
|
|
m5 := metadata.Metadata{Type: "counter", Unit: "unit_5", Help: "help_5"}
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s1, m5)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Switch back-and-forth metadata for second series.
|
|
// Since it ended on a new metadata record, we expect a single new entry.
|
|
m6 := metadata.Metadata{Type: "counter", Unit: "unit_6", Help: "help_6"}
|
|
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s2, m6)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s2, m2)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s2, m6)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s2, m2)
|
|
require.NoError(t, app.Commit())
|
|
|
|
app = hb.Appender(ctx)
|
|
updateMetadata(t, app, s2, m6)
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Let's create a checkpoint.
|
|
first, last, err := wlog.Segments(w.Dir())
|
|
require.NoError(t, err)
|
|
keep := func(id chunks.HeadSeriesRef) bool {
|
|
return id != 3
|
|
}
|
|
_, err = wlog.Checkpoint(log.NewNopLogger(), w, first, last-1, keep, 0)
|
|
require.NoError(t, err)
|
|
|
|
// Confirm there's been a checkpoint.
|
|
cdir, _, err := wlog.LastCheckpoint(w.Dir())
|
|
require.NoError(t, err)
|
|
|
|
// Read in checkpoint and WAL.
|
|
recs := readTestWAL(t, cdir)
|
|
var gotMetadataBlocks [][]record.RefMetadata
|
|
for _, rec := range recs {
|
|
if mr, ok := rec.([]record.RefMetadata); ok {
|
|
gotMetadataBlocks = append(gotMetadataBlocks, mr)
|
|
}
|
|
}
|
|
|
|
// There should only be 1 metadata block present, with only the latest
|
|
// metadata kept around.
|
|
wantMetadata := []record.RefMetadata{
|
|
{Ref: 1, Type: record.GetMetricType(m5.Type), Unit: m5.Unit, Help: m5.Help},
|
|
{Ref: 2, Type: record.GetMetricType(m6.Type), Unit: m6.Unit, Help: m6.Help},
|
|
{Ref: 4, Type: record.GetMetricType(m4.Type), Unit: m4.Unit, Help: m4.Help},
|
|
}
|
|
require.Len(t, gotMetadataBlocks, 1)
|
|
require.Len(t, gotMetadataBlocks[0], 3)
|
|
gotMetadataBlock := gotMetadataBlocks[0]
|
|
|
|
sort.Slice(gotMetadataBlock, func(i, j int) bool { return gotMetadataBlock[i].Ref < gotMetadataBlock[j].Ref })
|
|
require.Equal(t, wantMetadata, gotMetadataBlock)
|
|
require.NoError(t, hb.Close())
|
|
}
|
|
|
|
func TestMetadataAssertInMemoryData(t *testing.T) {
|
|
updateMetadata := func(t *testing.T, app storage.Appender, s labels.Labels, m metadata.Metadata) {
|
|
_, err := app.UpdateMetadata(0, s, m)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
db := openTestDB(t, nil, nil)
|
|
ctx := context.Background()
|
|
|
|
// Add some series so we can append metadata to them.
|
|
app := db.Appender(ctx)
|
|
s1 := labels.FromStrings("a", "b")
|
|
s2 := labels.FromStrings("c", "d")
|
|
s3 := labels.FromStrings("e", "f")
|
|
s4 := labels.FromStrings("g", "h")
|
|
|
|
for _, s := range []labels.Labels{s1, s2, s3, s4} {
|
|
_, err := app.Append(0, s, 0, 0)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Add a first round of metadata to the first three series.
|
|
// The in-memory data held in the db Head should hold the metadata.
|
|
m1 := metadata.Metadata{Type: "gauge", Unit: "unit_1", Help: "help_1"}
|
|
m2 := metadata.Metadata{Type: "gauge", Unit: "unit_2", Help: "help_2"}
|
|
m3 := metadata.Metadata{Type: "gauge", Unit: "unit_3", Help: "help_3"}
|
|
app = db.Appender(ctx)
|
|
updateMetadata(t, app, s1, m1)
|
|
updateMetadata(t, app, s2, m2)
|
|
updateMetadata(t, app, s3, m3)
|
|
require.NoError(t, app.Commit())
|
|
|
|
series1 := db.head.series.getByHash(s1.Hash(), s1)
|
|
series2 := db.head.series.getByHash(s2.Hash(), s2)
|
|
series3 := db.head.series.getByHash(s3.Hash(), s3)
|
|
series4 := db.head.series.getByHash(s4.Hash(), s4)
|
|
require.Equal(t, *series1.meta, m1)
|
|
require.Equal(t, *series2.meta, m2)
|
|
require.Equal(t, *series3.meta, m3)
|
|
require.Nil(t, series4.meta)
|
|
|
|
// Add a replicated metadata entry to the first series,
|
|
// a changed metadata entry to the second series,
|
|
// and a completely new metadata entry for the fourth series.
|
|
// The in-memory data held in the db Head should be correctly updated.
|
|
m4 := metadata.Metadata{Type: "counter", Unit: "unit_4", Help: "help_4"}
|
|
m5 := metadata.Metadata{Type: "counter", Unit: "unit_5", Help: "help_5"}
|
|
app = db.Appender(ctx)
|
|
updateMetadata(t, app, s1, m1)
|
|
updateMetadata(t, app, s4, m4)
|
|
updateMetadata(t, app, s2, m5)
|
|
require.NoError(t, app.Commit())
|
|
|
|
series1 = db.head.series.getByHash(s1.Hash(), s1)
|
|
series2 = db.head.series.getByHash(s2.Hash(), s2)
|
|
series3 = db.head.series.getByHash(s3.Hash(), s3)
|
|
series4 = db.head.series.getByHash(s4.Hash(), s4)
|
|
require.Equal(t, *series1.meta, m1)
|
|
require.Equal(t, *series2.meta, m5)
|
|
require.Equal(t, *series3.meta, m3)
|
|
require.Equal(t, *series4.meta, m4)
|
|
|
|
require.NoError(t, db.Close())
|
|
|
|
// Reopen the DB, replaying the WAL. The Head must have been replayed
|
|
// correctly in memory.
|
|
reopenDB, err := Open(db.Dir(), nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
require.NoError(t, reopenDB.Close())
|
|
})
|
|
|
|
_, err = reopenDB.head.wal.Size()
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, *reopenDB.head.series.getByHash(s1.Hash(), s1).meta, m1)
|
|
require.Equal(t, *reopenDB.head.series.getByHash(s2.Hash(), s2).meta, m5)
|
|
require.Equal(t, *reopenDB.head.series.getByHash(s3.Hash(), s3).meta, m3)
|
|
require.Equal(t, *reopenDB.head.series.getByHash(s4.Hash(), s4).meta, m4)
|
|
}
|
|
|
|
// TestMultipleEncodingsCommitOrder mainly serves to demonstrate when happens when committing a batch of samples for the
|
|
// same series when there are multiple encodings. Commit() will process all float samples before histogram samples. This
|
|
// means that if histograms are appended before floats, the histograms could be marked as OOO when they are committed.
|
|
// While possible, this shouldn't happen very often - you need the same series to be ingested as both a float and a
|
|
// histogram in a single write request.
|
|
func TestMultipleEncodingsCommitOrder(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 24 * time.Hour.Milliseconds()
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
addSample := func(app storage.Appender, ts int64, valType chunkenc.ValueType) chunks.Sample {
|
|
if valType == chunkenc.ValFloat {
|
|
_, err := app.Append(0, labels.FromStrings("foo", "bar1"), ts, float64(ts))
|
|
require.NoError(t, err)
|
|
return sample{t: ts, f: float64(ts)}
|
|
}
|
|
if valType == chunkenc.ValHistogram {
|
|
h := tsdbutil.GenerateTestHistogram(int(ts))
|
|
_, err := app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, h, nil)
|
|
require.NoError(t, err)
|
|
return sample{t: ts, h: h}
|
|
}
|
|
fh := tsdbutil.GenerateTestFloatHistogram(int(ts))
|
|
_, err := app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, nil, fh)
|
|
require.NoError(t, err)
|
|
return sample{t: ts, fh: fh}
|
|
}
|
|
|
|
verifySamples := func(minT, maxT int64, expSamples []chunks.Sample, oooCount int) {
|
|
requireEqualOOOSamples(t, oooCount, db)
|
|
|
|
// Verify samples querier.
|
|
querier, err := db.Querier(minT, maxT)
|
|
require.NoError(t, err)
|
|
defer querier.Close()
|
|
|
|
seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar1"))
|
|
require.Len(t, seriesSet, 1)
|
|
gotSamples := seriesSet[series1.String()]
|
|
requireEqualSamples(t, series1.String(), expSamples, gotSamples, true)
|
|
|
|
// Verify chunks querier.
|
|
chunkQuerier, err := db.ChunkQuerier(minT, maxT)
|
|
require.NoError(t, err)
|
|
defer chunkQuerier.Close()
|
|
|
|
chks := queryChunks(t, chunkQuerier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar1"))
|
|
require.NotNil(t, chks[series1.String()])
|
|
require.Len(t, chks, 1)
|
|
var gotChunkSamples []chunks.Sample
|
|
for _, chunk := range chks[series1.String()] {
|
|
it := chunk.Chunk.Iterator(nil)
|
|
smpls, err := storage.ExpandSamples(it, newSample)
|
|
require.NoError(t, err)
|
|
gotChunkSamples = append(gotChunkSamples, smpls...)
|
|
require.NoError(t, it.Err())
|
|
}
|
|
requireEqualSamples(t, series1.String(), expSamples, gotChunkSamples, true)
|
|
}
|
|
|
|
var expSamples []chunks.Sample
|
|
|
|
// Append samples with different encoding types and then commit them at once.
|
|
app := db.Appender(context.Background())
|
|
|
|
for i := 100; i < 105; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloat)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
// These samples will be marked as OOO as their timestamps are less than the max timestamp for float samples in the
|
|
// same batch.
|
|
for i := 110; i < 120; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValHistogram)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
// These samples will be marked as OOO as their timestamps are less than the max timestamp for float samples in the
|
|
// same batch.
|
|
for i := 120; i < 130; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloatHistogram)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
// These samples will be marked as in-order as their timestamps are greater than the max timestamp for float
|
|
// samples in the same batch.
|
|
for i := 140; i < 150; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloatHistogram)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
// These samples will be marked as in-order, even though they're appended after the float histograms from ts 140-150
|
|
// because float samples are processed first and these samples are in-order wrt to the float samples in the batch.
|
|
for i := 130; i < 135; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloat)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
// oooCount = 20 because the histograms from 120 - 130 and float histograms from 120 - 130 are detected as OOO.
|
|
verifySamples(100, 150, expSamples, 20)
|
|
|
|
// Append and commit some in-order histograms by themselves.
|
|
app = db.Appender(context.Background())
|
|
for i := 150; i < 160; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValHistogram)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// oooCount remains at 20 as no new OOO samples have been added.
|
|
verifySamples(100, 160, expSamples, 20)
|
|
|
|
// Append and commit samples for all encoding types. This time all samples will be treated as OOO because samples
|
|
// with newer timestamps have already been committed.
|
|
app = db.Appender(context.Background())
|
|
for i := 50; i < 55; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloat)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
for i := 60; i < 70; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValHistogram)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
for i := 70; i < 75; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloat)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
for i := 80; i < 90; i++ {
|
|
s := addSample(app, int64(i), chunkenc.ValFloatHistogram)
|
|
expSamples = append(expSamples, s)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
|
|
// Sort samples again because OOO samples have been added.
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
// oooCount = 50 as we've added 30 more OOO samples.
|
|
verifySamples(50, 160, expSamples, 50)
|
|
}
|
|
|
|
// TODO(codesome): test more samples incoming once compaction has started. To verify new samples after the start
|
|
//
|
|
// are not included in this compaction.
|
|
func TestOOOCompaction(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOCompaction(t, scenario, false)
|
|
})
|
|
t.Run(name+"+extra", func(t *testing.T) {
|
|
testOOOCompaction(t, scenario, true)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOCompaction(t *testing.T, scenario sampleTypeScenario, addExtraSamples bool) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
series2 := labels.FromStrings("foo", "bar2")
|
|
|
|
addSample := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, _, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
_, _, err = scenario.appendFunc(app, series2, ts, 2*ts)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSample(250, 300)
|
|
|
|
// Verify that the in-memory ooo chunk is empty.
|
|
checkEmptyOOOChunk := func(lbls labels.Labels) {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Nil(t, ms.ooo)
|
|
}
|
|
checkEmptyOOOChunk(series1)
|
|
checkEmptyOOOChunk(series2)
|
|
|
|
// Add ooo samples that creates multiple chunks.
|
|
// 90 to 300 spans across 3 block ranges: [0, 120), [120, 240), [240, 360)
|
|
addSample(90, 300)
|
|
// Adding same samples to create overlapping chunks.
|
|
// Since the active chunk won't start at 90 again, all the new
|
|
// chunks will have different time ranges than the previous chunks.
|
|
addSample(90, 300)
|
|
|
|
var highest int64 = 300
|
|
|
|
verifyDBSamples := func() {
|
|
var series1Samples, series2Samples []chunks.Sample
|
|
for _, r := range [][2]int64{{90, 119}, {120, 239}, {240, highest}} {
|
|
fromMins, toMins := r[0], r[1]
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
series1Samples = append(series1Samples, scenario.sampleFunc(ts, ts))
|
|
series2Samples = append(series2Samples, scenario.sampleFunc(ts, 2*ts))
|
|
}
|
|
}
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): series1Samples,
|
|
series2.String(): series2Samples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
verifyDBSamples() // Before any compaction.
|
|
|
|
// Verify that the in-memory ooo chunk is not empty.
|
|
checkNonEmptyOOOChunk := func(lbls labels.Labels) {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Positive(t, ms.ooo.oooHeadChunk.chunk.NumSamples())
|
|
require.Len(t, ms.ooo.oooMmappedChunks, 13) // 7 original, 6 duplicate.
|
|
}
|
|
checkNonEmptyOOOChunk(series1)
|
|
checkNonEmptyOOOChunk(series2)
|
|
|
|
// No blocks before compaction.
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// There is a 0th WBL file.
|
|
require.NoError(t, db.head.wbl.Sync()) // syncing to make sure wbl is flushed in windows
|
|
files, err := os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "00000000", files[0].Name())
|
|
f, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f.Size(), int64(100))
|
|
|
|
if addExtraSamples {
|
|
compactOOOHeadTestingCallback = func() {
|
|
addSample(90, 120) // Back in time, to generate a new OOO chunk.
|
|
addSample(300, 330) // Now some samples after the previous highest timestamp.
|
|
addSample(300, 330) // Repeat to generate an OOO chunk at these timestamps.
|
|
}
|
|
highest = 330
|
|
}
|
|
|
|
// OOO compaction happens here.
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
|
|
// 3 blocks exist now. [0, 120), [120, 240), [240, 360)
|
|
require.Len(t, db.Blocks(), 3)
|
|
|
|
verifyDBSamples() // Blocks created out of OOO head now.
|
|
|
|
// 0th WBL file will be deleted and 1st will be the only present.
|
|
files, err = os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "00000001", files[0].Name())
|
|
f, err = files[0].Info()
|
|
require.NoError(t, err)
|
|
|
|
if !addExtraSamples {
|
|
require.Equal(t, int64(0), f.Size())
|
|
// OOO stuff should not be present in the Head now.
|
|
checkEmptyOOOChunk(series1)
|
|
checkEmptyOOOChunk(series2)
|
|
}
|
|
|
|
verifySamples := func(block *Block, fromMins, toMins int64) {
|
|
series1Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
series2Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
series1Samples = append(series1Samples, scenario.sampleFunc(ts, ts))
|
|
series2Samples = append(series2Samples, scenario.sampleFunc(ts, 2*ts))
|
|
}
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): series1Samples,
|
|
series2.String(): series2Samples,
|
|
}
|
|
|
|
q, err := NewBlockQuerier(block, math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
// Checking for expected data in the blocks.
|
|
verifySamples(db.Blocks()[0], 90, 119)
|
|
verifySamples(db.Blocks()[1], 120, 239)
|
|
verifySamples(db.Blocks()[2], 240, 299)
|
|
|
|
// There should be a single m-map file.
|
|
mmapDir := mmappedChunksDir(db.head.opts.ChunkDirRoot)
|
|
files, err = os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
|
|
// Compact the in-order head and expect another block.
|
|
// Since this is a forced compaction, this block is not aligned with 2h.
|
|
err = db.CompactHead(NewRangeHead(db.head, 250*time.Minute.Milliseconds(), 350*time.Minute.Milliseconds()))
|
|
require.NoError(t, err)
|
|
require.Len(t, db.Blocks(), 4) // [0, 120), [120, 240), [240, 360), [250, 351)
|
|
verifySamples(db.Blocks()[3], 250, highest)
|
|
|
|
verifyDBSamples() // Blocks created out of normal and OOO head now. But not merged.
|
|
|
|
// The compaction also clears out the old m-map files. Including
|
|
// the file that has ooo chunks.
|
|
files, err = os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "000001", files[0].Name())
|
|
|
|
// This will merge overlapping block.
|
|
require.NoError(t, db.Compact(ctx))
|
|
|
|
require.Len(t, db.Blocks(), 3) // [0, 120), [120, 240), [240, 360)
|
|
verifySamples(db.Blocks()[0], 90, 119)
|
|
verifySamples(db.Blocks()[1], 120, 239)
|
|
verifySamples(db.Blocks()[2], 240, highest) // Merged block.
|
|
|
|
verifyDBSamples() // Final state. Blocks from normal and OOO head are merged.
|
|
}
|
|
|
|
// TestOOOCompactionWithNormalCompaction tests if OOO compaction is performed
|
|
// when the normal head's compaction is done.
|
|
func TestOOOCompactionWithNormalCompaction(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOCompactionWithNormalCompaction(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOCompactionWithNormalCompaction(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
series2 := labels.FromStrings("foo", "bar2")
|
|
|
|
addSamples := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, _, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
_, _, err = scenario.appendFunc(app, series2, ts, 2*ts)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSamples(250, 350)
|
|
|
|
// Add ooo samples that will result into a single block.
|
|
addSamples(90, 110)
|
|
|
|
// Checking that ooo chunk is not empty.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Positive(t, ms.ooo.oooHeadChunk.chunk.NumSamples())
|
|
}
|
|
|
|
// If the normal Head is not compacted, the OOO head compaction does not take place.
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// Add more in-order samples in future that would trigger the compaction.
|
|
addSamples(400, 450)
|
|
|
|
// No blocks before compaction.
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// Compacts normal and OOO head.
|
|
require.NoError(t, db.Compact(ctx))
|
|
|
|
// 2 blocks exist now. [0, 120), [250, 360)
|
|
require.Len(t, db.Blocks(), 2)
|
|
require.Equal(t, int64(0), db.Blocks()[0].MinTime())
|
|
require.Equal(t, 120*time.Minute.Milliseconds(), db.Blocks()[0].MaxTime())
|
|
require.Equal(t, 250*time.Minute.Milliseconds(), db.Blocks()[1].MinTime())
|
|
require.Equal(t, 360*time.Minute.Milliseconds(), db.Blocks()[1].MaxTime())
|
|
|
|
// Checking that ooo chunk is empty.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Nil(t, ms.ooo)
|
|
}
|
|
|
|
verifySamples := func(block *Block, fromMins, toMins int64) {
|
|
series1Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
series2Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
series1Samples = append(series1Samples, scenario.sampleFunc(ts, ts))
|
|
series2Samples = append(series2Samples, scenario.sampleFunc(ts, 2*ts))
|
|
}
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): series1Samples,
|
|
series2.String(): series2Samples,
|
|
}
|
|
|
|
q, err := NewBlockQuerier(block, math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
// Checking for expected data in the blocks.
|
|
verifySamples(db.Blocks()[0], 90, 110)
|
|
verifySamples(db.Blocks()[1], 250, 350)
|
|
}
|
|
|
|
// TestOOOCompactionWithDisabledWriteLog tests the scenario where the TSDB is
|
|
// configured to not have wal and wbl but its able to compact both the in-order
|
|
// and out-of-order head.
|
|
func TestOOOCompactionWithDisabledWriteLog(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOCompactionWithDisabledWriteLog(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOCompactionWithDisabledWriteLog(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
opts.WALSegmentSize = -1 // disabled WAL and WBL
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
series2 := labels.FromStrings("foo", "bar2")
|
|
|
|
addSamples := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, _, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
_, _, err = scenario.appendFunc(app, series2, ts, 2*ts)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSamples(250, 350)
|
|
|
|
// Add ooo samples that will result into a single block.
|
|
addSamples(90, 110)
|
|
|
|
// Checking that ooo chunk is not empty.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Positive(t, ms.ooo.oooHeadChunk.chunk.NumSamples())
|
|
}
|
|
|
|
// If the normal Head is not compacted, the OOO head compaction does not take place.
|
|
require.NoError(t, db.Compact(ctx))
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// Add more in-order samples in future that would trigger the compaction.
|
|
addSamples(400, 450)
|
|
|
|
// No blocks before compaction.
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// Compacts normal and OOO head.
|
|
require.NoError(t, db.Compact(ctx))
|
|
|
|
// 2 blocks exist now. [0, 120), [250, 360)
|
|
require.Len(t, db.Blocks(), 2)
|
|
require.Equal(t, int64(0), db.Blocks()[0].MinTime())
|
|
require.Equal(t, 120*time.Minute.Milliseconds(), db.Blocks()[0].MaxTime())
|
|
require.Equal(t, 250*time.Minute.Milliseconds(), db.Blocks()[1].MinTime())
|
|
require.Equal(t, 360*time.Minute.Milliseconds(), db.Blocks()[1].MaxTime())
|
|
|
|
// Checking that ooo chunk is empty.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Nil(t, ms.ooo)
|
|
}
|
|
|
|
verifySamples := func(block *Block, fromMins, toMins int64) {
|
|
series1Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
series2Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
series1Samples = append(series1Samples, scenario.sampleFunc(ts, ts))
|
|
series2Samples = append(series2Samples, scenario.sampleFunc(ts, 2*ts))
|
|
}
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): series1Samples,
|
|
series2.String(): series2Samples,
|
|
}
|
|
|
|
q, err := NewBlockQuerier(block, math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
// Checking for expected data in the blocks.
|
|
verifySamples(db.Blocks()[0], 90, 110)
|
|
verifySamples(db.Blocks()[1], 250, 350)
|
|
}
|
|
|
|
// TestOOOQueryAfterRestartWithSnapshotAndRemovedWBL tests the scenario where the WBL goes
|
|
// missing after a restart while snapshot was enabled, but the query still returns the right
|
|
// data from the mmap chunks.
|
|
func TestOOOQueryAfterRestartWithSnapshotAndRemovedWBL(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOQueryAfterRestartWithSnapshotAndRemovedWBL(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOQueryAfterRestartWithSnapshotAndRemovedWBL(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 10
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
opts.EnableMemorySnapshotOnShutdown = true
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
series2 := labels.FromStrings("foo", "bar2")
|
|
|
|
addSamples := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, _, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
_, _, err = scenario.appendFunc(app, series2, ts, 2*ts)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSamples(250, 350)
|
|
|
|
// Add ooo samples that will result into a single block.
|
|
addSamples(90, 110) // The sample 110 will not be in m-map chunks.
|
|
|
|
// Checking that there are some ooo m-map chunks.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Len(t, ms.ooo.oooMmappedChunks, 2)
|
|
require.NotNil(t, ms.ooo.oooHeadChunk)
|
|
}
|
|
|
|
// Restart DB.
|
|
require.NoError(t, db.Close())
|
|
|
|
// For some reason wbl goes missing.
|
|
require.NoError(t, os.RemoveAll(path.Join(dir, "wbl")))
|
|
|
|
db, err = Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
|
|
// Check ooo m-map chunks again.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Len(t, ms.ooo.oooMmappedChunks, 2)
|
|
require.Equal(t, 109*time.Minute.Milliseconds(), ms.ooo.oooMmappedChunks[1].maxTime)
|
|
require.Nil(t, ms.ooo.oooHeadChunk) // Because of missing wbl.
|
|
}
|
|
|
|
verifySamples := func(fromMins, toMins int64) {
|
|
series1Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
series2Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
series1Samples = append(series1Samples, scenario.sampleFunc(ts, ts))
|
|
series2Samples = append(series2Samples, scenario.sampleFunc(ts, ts*2))
|
|
}
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): series1Samples,
|
|
series2.String(): series2Samples,
|
|
}
|
|
|
|
q, err := db.Querier(fromMins*time.Minute.Milliseconds(), toMins*time.Minute.Milliseconds())
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
// Checking for expected ooo data from mmap chunks.
|
|
verifySamples(90, 109)
|
|
|
|
// Compaction should also work fine.
|
|
require.Empty(t, db.Blocks())
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
require.Len(t, db.Blocks(), 1) // One block from OOO data.
|
|
require.Equal(t, int64(0), db.Blocks()[0].MinTime())
|
|
require.Equal(t, 120*time.Minute.Milliseconds(), db.Blocks()[0].MaxTime())
|
|
|
|
// Checking that ooo chunk is empty in Head.
|
|
for _, lbls := range []labels.Labels{series1, series2} {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Nil(t, ms.ooo)
|
|
}
|
|
|
|
verifySamples(90, 109)
|
|
}
|
|
|
|
func TestQuerierOOOQuery(t *testing.T) {
|
|
scenarios := map[string]struct {
|
|
appendFunc func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error)
|
|
sampleFunc func(ts int64) chunks.Sample
|
|
}{
|
|
"float": {
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
return app.Append(0, labels.FromStrings("foo", "bar1"), ts, float64(ts))
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, f: float64(ts)}
|
|
},
|
|
},
|
|
"integer histogram": {
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
h := tsdbutil.GenerateTestHistogram(int(ts))
|
|
if counterReset {
|
|
h.CounterResetHint = histogram.CounterReset
|
|
}
|
|
return app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, h, nil)
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, h: tsdbutil.GenerateTestHistogram(int(ts))}
|
|
},
|
|
},
|
|
"float histogram": {
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
fh := tsdbutil.GenerateTestFloatHistogram(int(ts))
|
|
if counterReset {
|
|
fh.CounterResetHint = histogram.CounterReset
|
|
}
|
|
return app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, nil, fh)
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, fh: tsdbutil.GenerateTestFloatHistogram(int(ts))}
|
|
},
|
|
},
|
|
"integer histogram counter resets": {
|
|
// Adding counter reset to all histograms means each histogram will have its own chunk.
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
h := tsdbutil.GenerateTestHistogram(int(ts))
|
|
h.CounterResetHint = histogram.CounterReset // For this scenario, ignore the counterReset argument.
|
|
return app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, h, nil)
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, h: tsdbutil.GenerateTestHistogram(int(ts))}
|
|
},
|
|
},
|
|
}
|
|
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testQuerierOOOQuery(t, scenario.appendFunc, scenario.sampleFunc)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testQuerierOOOQuery(t *testing.T,
|
|
appendFunc func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error),
|
|
sampleFunc func(ts int64) chunks.Sample,
|
|
) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 24 * time.Hour.Milliseconds()
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
|
|
type filterFunc func(t int64) bool
|
|
defaultFilterFunc := func(t int64) bool { return true }
|
|
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
addSample := func(db *DB, fromMins, toMins, queryMinT, queryMaxT int64, expSamples []chunks.Sample, filter filterFunc, counterReset bool) ([]chunks.Sample, int) {
|
|
app := db.Appender(context.Background())
|
|
totalAppended := 0
|
|
for m := fromMins; m <= toMins; m += time.Minute.Milliseconds() {
|
|
if !filter(m / time.Minute.Milliseconds()) {
|
|
continue
|
|
}
|
|
_, err := appendFunc(app, m, counterReset)
|
|
if m >= queryMinT && m <= queryMaxT {
|
|
expSamples = append(expSamples, sampleFunc(m))
|
|
}
|
|
require.NoError(t, err)
|
|
totalAppended++
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
require.Positive(t, totalAppended, 0) // Sanity check that filter is not too zealous.
|
|
return expSamples, totalAppended
|
|
}
|
|
|
|
type sampleBatch struct {
|
|
minT int64
|
|
maxT int64
|
|
filter filterFunc
|
|
counterReset bool
|
|
isOOO bool
|
|
}
|
|
|
|
tests := []struct {
|
|
name string
|
|
oooCap int64
|
|
queryMinT int64
|
|
queryMaxT int64
|
|
batches []sampleBatch
|
|
}{
|
|
{
|
|
name: "query interval covering ooomint and inordermaxt returns all ingested samples",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: defaultFilterFunc,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: defaultFilterFunc,
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "partial query interval returns only samples within interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(20),
|
|
queryMaxT: minutes(180),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: defaultFilterFunc,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: defaultFilterFunc,
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "alternating OOO batches", // In order: 100-200 normal. out of order first path: 0, 2, 4, ... 98 (no counter reset), second pass: 1, 3, 5, ... 99 (with counter reset).
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: defaultFilterFunc,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: true,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
counterReset: true,
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query overlapping inorder and ooo samples returns all ingested samples at the end of the interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(170),
|
|
maxT: minutes(180),
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query overlapping inorder and ooo in-memory samples returns all ingested samples at the beginning of the interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(110),
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query inorder contain ooo mmapped samples returns all ingested samples at the beginning of the interval",
|
|
oooCap: 5,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(101),
|
|
maxT: minutes(101 + (5-1)*2), // Append samples to fit in a single mmapped OOO chunk and fit inside the first in-order mmapped chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
{
|
|
minT: minutes(191),
|
|
maxT: minutes(193), // Append some more OOO samples to trigger mapping the OOO chunk, but use time 151 to not overlap with in-order head chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query overlapping inorder and ooo mmapped samples returns all ingested samples at the beginning of the interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(101),
|
|
maxT: minutes(101 + (30-1)*2), // Append samples to fit in a single mmapped OOO chunk and overlap the first in-order mmapped chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
{
|
|
minT: minutes(191),
|
|
maxT: minutes(193), // Append some more OOO samples to trigger mapping the OOO chunk, but use time 151 to not overlap with in-order head chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for _, tc := range tests {
|
|
t.Run(fmt.Sprintf("name=%s", tc.name), func(t *testing.T) {
|
|
opts.OutOfOrderCapMax = tc.oooCap
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
var expSamples []chunks.Sample
|
|
var oooSamples, appendedCount int
|
|
|
|
for _, batch := range tc.batches {
|
|
expSamples, appendedCount = addSample(db, batch.minT, batch.maxT, tc.queryMinT, tc.queryMaxT, expSamples, batch.filter, batch.counterReset)
|
|
if batch.isOOO {
|
|
oooSamples += appendedCount
|
|
}
|
|
}
|
|
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
querier, err := db.Querier(tc.queryMinT, tc.queryMaxT)
|
|
require.NoError(t, err)
|
|
defer querier.Close()
|
|
|
|
seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar1"))
|
|
gotSamples := seriesSet[series1.String()]
|
|
require.NotNil(t, gotSamples)
|
|
require.Len(t, seriesSet, 1)
|
|
requireEqualSamples(t, series1.String(), expSamples, gotSamples, true)
|
|
requireEqualOOOSamples(t, oooSamples, db)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestChunkQuerierOOOQuery(t *testing.T) {
|
|
scenarios := map[string]struct {
|
|
appendFunc func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error)
|
|
sampleFunc func(ts int64) chunks.Sample
|
|
}{
|
|
"float": {
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
return app.Append(0, labels.FromStrings("foo", "bar1"), ts, float64(ts))
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, f: float64(ts)}
|
|
},
|
|
},
|
|
"integer histogram": {
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
h := tsdbutil.GenerateTestHistogram(int(ts))
|
|
if counterReset {
|
|
h.CounterResetHint = histogram.CounterReset
|
|
}
|
|
return app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, h, nil)
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, h: tsdbutil.GenerateTestHistogram(int(ts))}
|
|
},
|
|
},
|
|
"float histogram": {
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
fh := tsdbutil.GenerateTestFloatHistogram(int(ts))
|
|
if counterReset {
|
|
fh.CounterResetHint = histogram.CounterReset
|
|
}
|
|
return app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, nil, fh)
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, fh: tsdbutil.GenerateTestFloatHistogram(int(ts))}
|
|
},
|
|
},
|
|
"integer histogram counter resets": {
|
|
// Adding counter reset to all histograms means each histogram will have its own chunk.
|
|
appendFunc: func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error) {
|
|
h := tsdbutil.GenerateTestHistogram(int(ts))
|
|
h.CounterResetHint = histogram.CounterReset // For this scenario, ignore the counterReset argument.
|
|
return app.AppendHistogram(0, labels.FromStrings("foo", "bar1"), ts, h, nil)
|
|
},
|
|
sampleFunc: func(ts int64) chunks.Sample {
|
|
return sample{t: ts, h: tsdbutil.GenerateTestHistogram(int(ts))}
|
|
},
|
|
},
|
|
}
|
|
for name, scenario := range scenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testChunkQuerierOOOQuery(t, scenario.appendFunc, scenario.sampleFunc)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testChunkQuerierOOOQuery(t *testing.T,
|
|
appendFunc func(app storage.Appender, ts int64, counterReset bool) (storage.SeriesRef, error),
|
|
sampleFunc func(ts int64) chunks.Sample,
|
|
) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 24 * time.Hour.Milliseconds()
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
|
|
type filterFunc func(t int64) bool
|
|
defaultFilterFunc := func(t int64) bool { return true }
|
|
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
addSample := func(db *DB, fromMins, toMins, queryMinT, queryMaxT int64, expSamples []chunks.Sample, filter filterFunc, counterReset bool) ([]chunks.Sample, int) {
|
|
app := db.Appender(context.Background())
|
|
totalAppended := 0
|
|
for m := fromMins; m <= toMins; m += time.Minute.Milliseconds() {
|
|
if !filter(m / time.Minute.Milliseconds()) {
|
|
continue
|
|
}
|
|
_, err := appendFunc(app, m, counterReset)
|
|
if m >= queryMinT && m <= queryMaxT {
|
|
expSamples = append(expSamples, sampleFunc(m))
|
|
}
|
|
require.NoError(t, err)
|
|
totalAppended++
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
require.Positive(t, totalAppended) // Sanity check that filter is not too zealous.
|
|
return expSamples, totalAppended
|
|
}
|
|
|
|
type sampleBatch struct {
|
|
minT int64
|
|
maxT int64
|
|
filter filterFunc
|
|
counterReset bool
|
|
isOOO bool
|
|
}
|
|
|
|
tests := []struct {
|
|
name string
|
|
oooCap int64
|
|
queryMinT int64
|
|
queryMaxT int64
|
|
batches []sampleBatch
|
|
}{
|
|
{
|
|
name: "query interval covering ooomint and inordermaxt returns all ingested samples",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: defaultFilterFunc,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: defaultFilterFunc,
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "partial query interval returns only samples within interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(20),
|
|
queryMaxT: minutes(180),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: defaultFilterFunc,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: defaultFilterFunc,
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "alternating OOO batches", // In order: 100-200 normal. out of order first path: 0, 2, 4, ... 98 (no counter reset), second pass: 1, 3, 5, ... 99 (with counter reset).
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: defaultFilterFunc,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: true,
|
|
},
|
|
{
|
|
minT: minutes(0),
|
|
maxT: minutes(99),
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
counterReset: true,
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query overlapping inorder and ooo samples returns all ingested samples at the end of the interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(170),
|
|
maxT: minutes(180),
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query overlapping inorder and ooo in-memory samples returns all ingested samples at the beginning of the interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(110),
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query inorder contain ooo mmapped samples returns all ingested samples at the beginning of the interval",
|
|
oooCap: 5,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(101),
|
|
maxT: minutes(101 + (5-1)*2), // Append samples to fit in a single mmapped OOO chunk and fit inside the first in-order mmapped chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
{
|
|
minT: minutes(191),
|
|
maxT: minutes(193), // Append some more OOO samples to trigger mapping the OOO chunk, but use time 151 to not overlap with in-order head chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "query overlapping inorder and ooo mmapped samples returns all ingested samples at the beginning of the interval",
|
|
oooCap: 30,
|
|
queryMinT: minutes(0),
|
|
queryMaxT: minutes(200),
|
|
batches: []sampleBatch{
|
|
{
|
|
minT: minutes(100),
|
|
maxT: minutes(200),
|
|
filter: func(t int64) bool { return t%2 == 0 },
|
|
isOOO: false,
|
|
},
|
|
{
|
|
minT: minutes(101),
|
|
maxT: minutes(101 + (30-1)*2), // Append samples to fit in a single mmapped OOO chunk and overlap the first in-order mmapped chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
{
|
|
minT: minutes(191),
|
|
maxT: minutes(193), // Append some more OOO samples to trigger mapping the OOO chunk, but use time 151 to not overlap with in-order head chunk.
|
|
filter: func(t int64) bool { return t%2 == 1 },
|
|
isOOO: true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for _, tc := range tests {
|
|
t.Run(fmt.Sprintf("name=%s", tc.name), func(t *testing.T) {
|
|
opts.OutOfOrderCapMax = tc.oooCap
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
var expSamples []chunks.Sample
|
|
var oooSamples, appendedCount int
|
|
|
|
for _, batch := range tc.batches {
|
|
expSamples, appendedCount = addSample(db, batch.minT, batch.maxT, tc.queryMinT, tc.queryMaxT, expSamples, batch.filter, batch.counterReset)
|
|
if batch.isOOO {
|
|
oooSamples += appendedCount
|
|
}
|
|
}
|
|
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
querier, err := db.ChunkQuerier(tc.queryMinT, tc.queryMaxT)
|
|
require.NoError(t, err)
|
|
defer querier.Close()
|
|
|
|
chks := queryChunks(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar1"))
|
|
require.NotNil(t, chks[series1.String()])
|
|
require.Len(t, chks, 1)
|
|
requireEqualOOOSamples(t, oooSamples, db)
|
|
var gotSamples []chunks.Sample
|
|
for _, chunk := range chks[series1.String()] {
|
|
it := chunk.Chunk.Iterator(nil)
|
|
smpls, err := storage.ExpandSamples(it, newSample)
|
|
require.NoError(t, err)
|
|
gotSamples = append(gotSamples, smpls...)
|
|
require.NoError(t, it.Err())
|
|
}
|
|
requireEqualSamples(t, series1.String(), expSamples, gotSamples, true)
|
|
})
|
|
}
|
|
}
|
|
|
|
// TestOOONativeHistogramsWithCounterResets verifies the counter reset headers for in-order and out-of-order samples
|
|
// upon ingestion. Note that when the counter reset(s) occur in OOO samples, the header is set to UnknownCounterReset
|
|
// rather than CounterReset. This is because with OOO native histogram samples, it cannot be definitely
|
|
// determined if a counter reset occurred because the samples are not consecutive, and another sample
|
|
// could potentially come in that would change the status of the header. In this case, the UnknownCounterReset
|
|
// headers would be re-checked at query time and updated as needed. However, this test is checking the counter
|
|
// reset headers at the time of storage.
|
|
func TestOOONativeHistogramsWithCounterResets(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
if name == intHistogram || name == floatHistogram {
|
|
testOOONativeHistogramsWithCounterResets(t, scenario)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOONativeHistogramsWithCounterResets(t *testing.T, scenario sampleTypeScenario) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 24 * time.Hour.Milliseconds()
|
|
|
|
type resetFunc func(v int64) bool
|
|
defaultResetFunc := func(v int64) bool { return false }
|
|
|
|
lbls := labels.FromStrings("foo", "bar1")
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
|
|
type sampleBatch struct {
|
|
from int64
|
|
until int64
|
|
shouldReset resetFunc
|
|
expCounterResetHints []histogram.CounterResetHint
|
|
}
|
|
|
|
tests := []struct {
|
|
name string
|
|
queryMin int64
|
|
queryMax int64
|
|
batches []sampleBatch
|
|
expectedSamples []chunks.Sample
|
|
}{
|
|
{
|
|
name: "Counter reset within in-order samples",
|
|
queryMin: minutes(40),
|
|
queryMax: minutes(55),
|
|
batches: []sampleBatch{
|
|
// In-order samples
|
|
{
|
|
from: 40,
|
|
until: 50,
|
|
shouldReset: func(v int64) bool {
|
|
return v == 45
|
|
},
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.CounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "Counter reset right at beginning of OOO samples",
|
|
queryMin: minutes(40),
|
|
queryMax: minutes(55),
|
|
batches: []sampleBatch{
|
|
// In-order samples
|
|
{
|
|
from: 40,
|
|
until: 45,
|
|
shouldReset: defaultResetFunc,
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset},
|
|
},
|
|
{
|
|
from: 50,
|
|
until: 55,
|
|
shouldReset: defaultResetFunc,
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset},
|
|
},
|
|
// OOO samples
|
|
{
|
|
from: 45,
|
|
until: 50,
|
|
shouldReset: func(v int64) bool {
|
|
return v == 45
|
|
},
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "Counter resets in both in-order and OOO samples",
|
|
queryMin: minutes(40),
|
|
queryMax: minutes(55),
|
|
batches: []sampleBatch{
|
|
// In-order samples
|
|
{
|
|
from: 40,
|
|
until: 45,
|
|
shouldReset: func(v int64) bool {
|
|
return v == 44
|
|
},
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.UnknownCounterReset},
|
|
},
|
|
{
|
|
from: 50,
|
|
until: 55,
|
|
shouldReset: defaultResetFunc,
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset},
|
|
},
|
|
// OOO samples
|
|
{
|
|
from: 45,
|
|
until: 50,
|
|
shouldReset: func(v int64) bool {
|
|
return v == 49
|
|
},
|
|
expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.UnknownCounterReset},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for _, tc := range tests {
|
|
t.Run(fmt.Sprintf("name=%s", tc.name), func(t *testing.T) {
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
db.EnableOOONativeHistograms()
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
app := db.Appender(context.Background())
|
|
|
|
expSamples := make(map[string][]chunks.Sample)
|
|
|
|
for _, batch := range tc.batches {
|
|
j := batch.from
|
|
smplIdx := 0
|
|
for i := batch.from; i < batch.until; i++ {
|
|
resetCount := batch.shouldReset(i)
|
|
if resetCount {
|
|
j = 0
|
|
}
|
|
_, s, err := scenario.appendFunc(app, lbls, minutes(i), j)
|
|
require.NoError(t, err)
|
|
if s.Type() == chunkenc.ValHistogram {
|
|
s.H().CounterResetHint = batch.expCounterResetHints[smplIdx]
|
|
} else if s.Type() == chunkenc.ValFloatHistogram {
|
|
s.FH().CounterResetHint = batch.expCounterResetHints[smplIdx]
|
|
}
|
|
expSamples[lbls.String()] = append(expSamples[lbls.String()], s)
|
|
j++
|
|
smplIdx++
|
|
}
|
|
}
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
for k, v := range expSamples {
|
|
sort.Slice(v, func(i, j int) bool {
|
|
return v[i].T() < v[j].T()
|
|
})
|
|
expSamples[k] = v
|
|
}
|
|
|
|
querier, err := db.Querier(tc.queryMin, tc.queryMax)
|
|
require.NoError(t, err)
|
|
defer querier.Close()
|
|
|
|
seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar1"))
|
|
require.NotNil(t, seriesSet[lbls.String()])
|
|
require.Len(t, seriesSet, 1)
|
|
requireEqualSeries(t, expSamples, seriesSet, false)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestOOOAppendAndQuery(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOAppendAndQuery(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOAppendAndQuery(t *testing.T, scenario sampleTypeScenario) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 4 * time.Hour.Milliseconds()
|
|
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
s1 := labels.FromStrings("foo", "bar1")
|
|
s2 := labels.FromStrings("foo", "bar2")
|
|
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
appendedSamples := make(map[string][]chunks.Sample)
|
|
totalSamples := 0
|
|
addSample := func(lbls labels.Labels, fromMins, toMins int64, faceError bool) {
|
|
app := db.Appender(context.Background())
|
|
key := lbls.String()
|
|
from, to := minutes(fromMins), minutes(toMins)
|
|
for m := from; m <= to; m += time.Minute.Milliseconds() {
|
|
val := rand.Intn(1000)
|
|
_, s, err := scenario.appendFunc(app, lbls, m, int64(val))
|
|
if faceError {
|
|
require.Error(t, err)
|
|
} else {
|
|
require.NoError(t, err)
|
|
appendedSamples[key] = append(appendedSamples[key], s)
|
|
totalSamples++
|
|
}
|
|
}
|
|
if faceError {
|
|
require.NoError(t, app.Rollback())
|
|
} else {
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
}
|
|
|
|
testQuery := func(from, to int64) {
|
|
querier, err := db.Querier(from, to)
|
|
require.NoError(t, err)
|
|
|
|
seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar."))
|
|
|
|
for k, v := range appendedSamples {
|
|
sort.Slice(v, func(i, j int) bool {
|
|
return v[i].T() < v[j].T()
|
|
})
|
|
appendedSamples[k] = v
|
|
}
|
|
|
|
expSamples := make(map[string][]chunks.Sample)
|
|
for k, samples := range appendedSamples {
|
|
for _, s := range samples {
|
|
if s.T() < from {
|
|
continue
|
|
}
|
|
if s.T() > to {
|
|
continue
|
|
}
|
|
expSamples[k] = append(expSamples[k], s)
|
|
}
|
|
}
|
|
requireEqualSeries(t, expSamples, seriesSet, true)
|
|
requireEqualOOOSamples(t, totalSamples-2, db)
|
|
}
|
|
|
|
verifyOOOMinMaxTimes := func(expMin, expMax int64) {
|
|
require.Equal(t, minutes(expMin), db.head.MinOOOTime())
|
|
require.Equal(t, minutes(expMax), db.head.MaxOOOTime())
|
|
}
|
|
|
|
// In-order samples.
|
|
addSample(s1, 300, 300, false)
|
|
addSample(s2, 290, 290, false)
|
|
require.Equal(t, float64(2), prom_testutil.ToFloat64(db.head.metrics.chunksCreated))
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
|
|
// Some ooo samples.
|
|
addSample(s1, 250, 260, false)
|
|
addSample(s2, 255, 265, false)
|
|
verifyOOOMinMaxTimes(250, 265)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
testQuery(minutes(250), minutes(265)) // Test querying ooo data time range.
|
|
testQuery(minutes(290), minutes(300)) // Test querying in-order data time range.
|
|
testQuery(minutes(250), minutes(300)) // Test querying the entire range.
|
|
|
|
// Out of time window.
|
|
addSample(s1, 59, 59, true)
|
|
addSample(s2, 49, 49, true)
|
|
verifyOOOMinMaxTimes(250, 265)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
|
|
// At the edge of time window, also it would be "out of bound" without the ooo support.
|
|
addSample(s1, 60, 65, false)
|
|
verifyOOOMinMaxTimes(60, 265)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
|
|
// This sample is not within the time window w.r.t. the head's maxt, but it is within the window
|
|
// w.r.t. the series' maxt. But we consider only head's maxt.
|
|
addSample(s2, 59, 59, true)
|
|
verifyOOOMinMaxTimes(60, 265)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
|
|
// Now the sample is within time window w.r.t. the head's maxt.
|
|
addSample(s2, 60, 65, false)
|
|
verifyOOOMinMaxTimes(60, 265)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
|
|
// Out of time window again.
|
|
addSample(s1, 59, 59, true)
|
|
addSample(s2, 49, 49, true)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
|
|
// Generating some m-map chunks. The m-map chunks here are in such a way
|
|
// that when sorted w.r.t. mint, the last chunk's maxt is not the overall maxt
|
|
// of the merged chunk. This tests a bug fixed in https://github.com/grafana/mimir-prometheus/pull/238/.
|
|
require.Equal(t, float64(4), prom_testutil.ToFloat64(db.head.metrics.chunksCreated))
|
|
addSample(s1, 180, 249, false)
|
|
require.Equal(t, float64(6), prom_testutil.ToFloat64(db.head.metrics.chunksCreated))
|
|
verifyOOOMinMaxTimes(60, 265)
|
|
testQuery(math.MinInt64, math.MaxInt64)
|
|
}
|
|
|
|
func TestOOODisabled(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOODisabled(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOODisabled(t *testing.T, scenario sampleTypeScenario) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 0
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
s1 := labels.FromStrings("foo", "bar1")
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
expSamples := make(map[string][]chunks.Sample)
|
|
totalSamples := 0
|
|
failedSamples := 0
|
|
|
|
addSample := func(db *DB, lbls labels.Labels, fromMins, toMins int64, faceError bool) {
|
|
app := db.Appender(context.Background())
|
|
key := lbls.String()
|
|
from, to := minutes(fromMins), minutes(toMins)
|
|
for m := from; m <= to; m += time.Minute.Milliseconds() {
|
|
_, _, err := scenario.appendFunc(app, lbls, m, m)
|
|
if faceError {
|
|
require.Error(t, err)
|
|
failedSamples++
|
|
} else {
|
|
require.NoError(t, err)
|
|
expSamples[key] = append(expSamples[key], scenario.sampleFunc(m, m))
|
|
totalSamples++
|
|
}
|
|
}
|
|
if faceError {
|
|
require.NoError(t, app.Rollback())
|
|
} else {
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
}
|
|
|
|
addSample(db, s1, 300, 300, false) // In-order samples.
|
|
addSample(db, s1, 250, 260, true) // Some ooo samples.
|
|
addSample(db, s1, 59, 59, true) // Out of time window.
|
|
addSample(db, s1, 60, 65, true) // At the edge of time window, also it would be "out of bound" without the ooo support.
|
|
addSample(db, s1, 59, 59, true) // Out of time window again.
|
|
addSample(db, s1, 301, 310, false) // More in-order samples.
|
|
|
|
querier, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar."))
|
|
requireEqualSeries(t, expSamples, seriesSet, true)
|
|
requireEqualOOOSamples(t, 0, db)
|
|
require.Equal(t, float64(failedSamples),
|
|
prom_testutil.ToFloat64(db.head.metrics.outOfOrderSamples.WithLabelValues(scenario.sampleType))+prom_testutil.ToFloat64(db.head.metrics.outOfBoundSamples.WithLabelValues(scenario.sampleType)),
|
|
"number of ooo/oob samples mismatch")
|
|
|
|
// Verifying that no OOO artifacts were generated.
|
|
_, err = os.ReadDir(path.Join(db.Dir(), wlog.WblDirName))
|
|
require.True(t, os.IsNotExist(err))
|
|
|
|
ms, created, err := db.head.getOrCreate(s1.Hash(), s1)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.NotNil(t, ms)
|
|
require.Nil(t, ms.ooo)
|
|
}
|
|
|
|
func TestWBLAndMmapReplay(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testWBLAndMmapReplay(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testWBLAndMmapReplay(t *testing.T, scenario sampleTypeScenario) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 4 * time.Hour.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db := openTestDB(t, opts, nil)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
s1 := labels.FromStrings("foo", "bar1")
|
|
|
|
minutes := func(m int64) int64 { return m * time.Minute.Milliseconds() }
|
|
expSamples := make(map[string][]chunks.Sample)
|
|
totalSamples := 0
|
|
addSample := func(lbls labels.Labels, fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
key := lbls.String()
|
|
from, to := minutes(fromMins), minutes(toMins)
|
|
for m := from; m <= to; m += time.Minute.Milliseconds() {
|
|
val := rand.Intn(1000)
|
|
_, s, err := scenario.appendFunc(app, lbls, m, int64(val))
|
|
require.NoError(t, err)
|
|
expSamples[key] = append(expSamples[key], s)
|
|
totalSamples++
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
testQuery := func(exp map[string][]chunks.Sample) {
|
|
querier, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
seriesSet := query(t, querier, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar."))
|
|
|
|
for k, v := range exp {
|
|
sort.Slice(v, func(i, j int) bool {
|
|
return v[i].T() < v[j].T()
|
|
})
|
|
exp[k] = v
|
|
}
|
|
requireEqualSeries(t, exp, seriesSet, true)
|
|
}
|
|
|
|
// In-order samples.
|
|
addSample(s1, 300, 300)
|
|
require.Equal(t, float64(1), prom_testutil.ToFloat64(db.head.metrics.chunksCreated))
|
|
|
|
// Some ooo samples.
|
|
addSample(s1, 250, 260)
|
|
addSample(s1, 195, 249) // This creates some m-map chunks.
|
|
require.Equal(t, float64(4), prom_testutil.ToFloat64(db.head.metrics.chunksCreated))
|
|
testQuery(expSamples)
|
|
oooMint, oooMaxt := minutes(195), minutes(260)
|
|
|
|
// Collect the samples only present in the ooo m-map chunks.
|
|
ms, created, err := db.head.getOrCreate(s1.Hash(), s1)
|
|
require.False(t, created)
|
|
require.NoError(t, err)
|
|
var s1MmapSamples []chunks.Sample
|
|
for _, mc := range ms.ooo.oooMmappedChunks {
|
|
chk, err := db.head.chunkDiskMapper.Chunk(mc.ref)
|
|
require.NoError(t, err)
|
|
it := chk.Iterator(nil)
|
|
smpls, err := storage.ExpandSamples(it, newSample)
|
|
require.NoError(t, err)
|
|
s1MmapSamples = append(s1MmapSamples, smpls...)
|
|
}
|
|
require.NotEmpty(t, s1MmapSamples)
|
|
|
|
require.NoError(t, db.Close())
|
|
|
|
// Making a copy of original state of WBL and Mmap files to use it later.
|
|
mmapDir := mmappedChunksDir(db.head.opts.ChunkDirRoot)
|
|
wblDir := db.head.wbl.Dir()
|
|
originalWblDir := filepath.Join(t.TempDir(), "original_wbl")
|
|
originalMmapDir := filepath.Join(t.TempDir(), "original_mmap")
|
|
require.NoError(t, fileutil.CopyDirs(wblDir, originalWblDir))
|
|
require.NoError(t, fileutil.CopyDirs(mmapDir, originalMmapDir))
|
|
resetWBLToOriginal := func() {
|
|
require.NoError(t, os.RemoveAll(wblDir))
|
|
require.NoError(t, fileutil.CopyDirs(originalWblDir, wblDir))
|
|
}
|
|
resetMmapToOriginal := func() {
|
|
require.NoError(t, os.RemoveAll(mmapDir))
|
|
require.NoError(t, fileutil.CopyDirs(originalMmapDir, mmapDir))
|
|
}
|
|
|
|
t.Run("Restart DB with both WBL and M-map files for ooo data", func(t *testing.T) {
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, oooMint, db.head.MinOOOTime())
|
|
require.Equal(t, oooMaxt, db.head.MaxOOOTime())
|
|
testQuery(expSamples)
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
t.Run("Restart DB with only WBL for ooo data", func(t *testing.T) {
|
|
require.NoError(t, os.RemoveAll(mmapDir))
|
|
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, oooMint, db.head.MinOOOTime())
|
|
require.Equal(t, oooMaxt, db.head.MaxOOOTime())
|
|
testQuery(expSamples)
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
t.Run("Restart DB with only M-map files for ooo data", func(t *testing.T) {
|
|
require.NoError(t, os.RemoveAll(wblDir))
|
|
resetMmapToOriginal()
|
|
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, oooMint, db.head.MinOOOTime())
|
|
require.Equal(t, oooMaxt, db.head.MaxOOOTime())
|
|
inOrderSample := expSamples[s1.String()][len(expSamples[s1.String()])-1]
|
|
testQuery(map[string][]chunks.Sample{
|
|
s1.String(): append(s1MmapSamples, inOrderSample),
|
|
})
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
t.Run("Restart DB with WBL+Mmap while increasing the OOOCapMax", func(t *testing.T) {
|
|
resetWBLToOriginal()
|
|
resetMmapToOriginal()
|
|
|
|
opts.OutOfOrderCapMax = 60
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, oooMint, db.head.MinOOOTime())
|
|
require.Equal(t, oooMaxt, db.head.MaxOOOTime())
|
|
testQuery(expSamples)
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
t.Run("Restart DB with WBL+Mmap while decreasing the OOOCapMax", func(t *testing.T) {
|
|
resetMmapToOriginal() // We need to reset because new duplicate chunks can be written above.
|
|
|
|
opts.OutOfOrderCapMax = 10
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, oooMint, db.head.MinOOOTime())
|
|
require.Equal(t, oooMaxt, db.head.MaxOOOTime())
|
|
testQuery(expSamples)
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
t.Run("Restart DB with WBL+Mmap while having no m-map markers in WBL", func(t *testing.T) {
|
|
resetMmapToOriginal() // We neet to reset because new duplicate chunks can be written above.
|
|
|
|
// Removing m-map markers in WBL by rewriting it.
|
|
newWbl, err := wlog.New(log.NewNopLogger(), nil, filepath.Join(t.TempDir(), "new_wbl"), wlog.CompressionNone)
|
|
require.NoError(t, err)
|
|
sr, err := wlog.NewSegmentsReader(originalWblDir)
|
|
require.NoError(t, err)
|
|
dec := record.NewDecoder(labels.NewSymbolTable())
|
|
r, markers, addedRecs := wlog.NewReader(sr), 0, 0
|
|
for r.Next() {
|
|
rec := r.Record()
|
|
if dec.Type(rec) == record.MmapMarkers {
|
|
markers++
|
|
continue
|
|
}
|
|
addedRecs++
|
|
require.NoError(t, newWbl.Log(rec))
|
|
}
|
|
require.Positive(t, markers)
|
|
require.Positive(t, addedRecs)
|
|
require.NoError(t, newWbl.Close())
|
|
require.NoError(t, sr.Close())
|
|
require.NoError(t, os.RemoveAll(wblDir))
|
|
require.NoError(t, os.Rename(newWbl.Dir(), wblDir))
|
|
|
|
opts.OutOfOrderCapMax = 30
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, oooMint, db.head.MinOOOTime())
|
|
require.Equal(t, oooMaxt, db.head.MaxOOOTime())
|
|
testQuery(expSamples)
|
|
})
|
|
}
|
|
|
|
func TestOOOHistogramCompactionWithCounterResets(t *testing.T) {
|
|
for _, floatHistogram := range []bool{false, true} {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 500 * time.Minute.Milliseconds()
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
series2 := labels.FromStrings("foo", "bar2")
|
|
|
|
var series1ExpSamplesPreCompact, series2ExpSamplesPreCompact, series1ExpSamplesPostCompact, series2ExpSamplesPostCompact []chunks.Sample
|
|
|
|
addSample := func(ts int64, l labels.Labels, val int, hint histogram.CounterResetHint) sample {
|
|
app := db.Appender(context.Background())
|
|
tsMs := ts * time.Minute.Milliseconds()
|
|
if floatHistogram {
|
|
h := tsdbutil.GenerateTestFloatHistogram(val)
|
|
h.CounterResetHint = hint
|
|
_, err = app.AppendHistogram(0, l, tsMs, nil, h)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
return sample{t: tsMs, fh: h.Copy()}
|
|
}
|
|
|
|
h := tsdbutil.GenerateTestHistogram(val)
|
|
h.CounterResetHint = hint
|
|
_, err = app.AppendHistogram(0, l, tsMs, h, nil)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
return sample{t: tsMs, h: h.Copy()}
|
|
}
|
|
|
|
// Add an in-order sample to each series.
|
|
s := addSample(520, series1, 1000000, histogram.UnknownCounterReset)
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
|
|
s = addSample(520, series2, 1000000, histogram.UnknownCounterReset)
|
|
series2ExpSamplesPreCompact = append(series2ExpSamplesPreCompact, s)
|
|
series2ExpSamplesPostCompact = append(series2ExpSamplesPostCompact, s)
|
|
|
|
// Verify that the in-memory ooo chunk is empty.
|
|
checkEmptyOOOChunk := func(lbls labels.Labels) {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Nil(t, ms.ooo)
|
|
}
|
|
|
|
checkEmptyOOOChunk(series1)
|
|
checkEmptyOOOChunk(series2)
|
|
|
|
// Add samples for series1. There are three head chunks that will be created:
|
|
// Chunk 1 - Samples between 100 - 440. One explicit counter reset at ts 250.
|
|
// Chunk 2 - Samples between 105 - 395. Overlaps with Chunk 1. One detected counter reset at ts 165.
|
|
// Chunk 3 - Samples between 480 - 509. All within one block boundary. One detected counter reset at 490.
|
|
|
|
// Chunk 1.
|
|
// First add 10 samples.
|
|
for i := 100; i < 200; i += 10 {
|
|
s = addSample(int64(i), series1, 100000+i, histogram.UnknownCounterReset)
|
|
// Before compaction, all the samples have UnknownCounterReset even though they've been added to the same
|
|
// chunk. This is because they overlap with the samples from chunk two and when merging two chunks on read,
|
|
// the header is set as unknown when the next sample is not in the same chunk as the previous one.
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
// After compaction, samples from multiple mmapped chunks will be merged, so there won't be any overlapping
|
|
// chunks. Therefore, most samples will have the NotCounterReset header.
|
|
// 100 is the first sample in the first chunk in the blocks, so is still set to UnknownCounterReset.
|
|
// 120 is a block boundary - after compaction, 120 will be the first sample in a chunk, so is still set to
|
|
// UnknownCounterReset.
|
|
if i > 100 && i != 120 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
}
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
}
|
|
// Explicit counter reset - the counter reset header is set to CounterReset but the value is higher
|
|
// than for the previous timestamp. Explicit counter reset headers are actually ignored though, so when reading
|
|
// the sample back you actually get unknown/not counter reset. This is as the chainSampleIterator ignores
|
|
// existing headers and sets the header as UnknownCounterReset if the next sample is not in the same chunk as
|
|
// the previous one, and counter resets always create a new chunk.
|
|
// This case has been added to document what's happening, though it might not be the ideal behavior.
|
|
s = addSample(250, series1, 100000+250, histogram.CounterReset)
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, copyWithCounterReset(s, histogram.UnknownCounterReset))
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, copyWithCounterReset(s, histogram.NotCounterReset))
|
|
|
|
// Add 19 more samples to complete a chunk.
|
|
for i := 260; i < 450; i += 10 {
|
|
s = addSample(int64(i), series1, 100000+i, histogram.UnknownCounterReset)
|
|
// The samples with timestamp less than 410 overlap with the samples from chunk 2, so before compaction,
|
|
// they're all UnknownCounterReset. Samples greater than or equal to 410 don't overlap with other chunks
|
|
// so they're always detected as NotCounterReset pre and post compaction/
|
|
if i >= 410 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
}
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
//
|
|
// 360 is a block boundary, so after compaction its header is still UnknownCounterReset.
|
|
if i != 360 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
}
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
}
|
|
|
|
// Chunk 2.
|
|
// Add six OOO samples.
|
|
for i := 105; i < 165; i += 10 {
|
|
s = addSample(int64(i), series1, 100000+i, histogram.UnknownCounterReset)
|
|
// Samples overlap with chunk 1 so before compaction all headers are UnknownCounterReset.
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, copyWithCounterReset(s, histogram.NotCounterReset))
|
|
}
|
|
|
|
// Add sample that will be detected as a counter reset.
|
|
s = addSample(165, series1, 100000, histogram.UnknownCounterReset)
|
|
// Before compaction, sample has an UnknownCounterReset header due to the chainSampleIterator.
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
// After compaction, the sample's counter reset is properly detected.
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, copyWithCounterReset(s, histogram.CounterReset))
|
|
|
|
// Add 23 more samples to complete a chunk.
|
|
for i := 175; i < 405; i += 10 {
|
|
s = addSample(int64(i), series1, 100000+i, histogram.UnknownCounterReset)
|
|
// Samples between 205-255 overlap with chunk 1 so before compaction those samples will have the
|
|
// UnknownCounterReset header.
|
|
if i >= 205 && i < 255 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
}
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
// 245 is the first sample >= the block boundary at 240, so it's still UnknownCounterReset after compaction.
|
|
if i != 245 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
} else {
|
|
s = copyWithCounterReset(s, histogram.UnknownCounterReset)
|
|
}
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
}
|
|
|
|
// Chunk 3.
|
|
for i := 480; i < 490; i++ {
|
|
s = addSample(int64(i), series1, 100000+i, histogram.UnknownCounterReset)
|
|
// No overlapping samples in other chunks, so all other samples will already be detected as NotCounterReset
|
|
// before compaction.
|
|
if i > 480 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
}
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
// 480 is block boundary.
|
|
if i == 480 {
|
|
s = copyWithCounterReset(s, histogram.UnknownCounterReset)
|
|
}
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
}
|
|
// Counter reset.
|
|
s = addSample(int64(490), series1, 100000, histogram.UnknownCounterReset)
|
|
s = copyWithCounterReset(s, histogram.CounterReset)
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
// Add some more samples after the counter reset.
|
|
for i := 491; i < 510; i++ {
|
|
s = addSample(int64(i), series1, 100000+i, histogram.UnknownCounterReset)
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
series1ExpSamplesPreCompact = append(series1ExpSamplesPreCompact, s)
|
|
series1ExpSamplesPostCompact = append(series1ExpSamplesPostCompact, s)
|
|
}
|
|
|
|
// Add samples for series2 - one chunk with one detected counter reset at 300.
|
|
for i := 200; i < 300; i += 10 {
|
|
s = addSample(int64(i), series2, 100000+i, histogram.UnknownCounterReset)
|
|
if i > 200 {
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
}
|
|
series2ExpSamplesPreCompact = append(series2ExpSamplesPreCompact, s)
|
|
if i == 240 {
|
|
s = copyWithCounterReset(s, histogram.UnknownCounterReset)
|
|
}
|
|
series2ExpSamplesPostCompact = append(series2ExpSamplesPostCompact, s)
|
|
}
|
|
// Counter reset.
|
|
s = addSample(int64(300), series2, 100000, histogram.UnknownCounterReset)
|
|
s = copyWithCounterReset(s, histogram.CounterReset)
|
|
series2ExpSamplesPreCompact = append(series2ExpSamplesPreCompact, s)
|
|
series2ExpSamplesPostCompact = append(series2ExpSamplesPostCompact, s)
|
|
// Add some more samples after the counter reset.
|
|
for i := 310; i < 500; i += 10 {
|
|
s := addSample(int64(i), series2, 100000+i, histogram.UnknownCounterReset)
|
|
s = copyWithCounterReset(s, histogram.NotCounterReset)
|
|
series2ExpSamplesPreCompact = append(series2ExpSamplesPreCompact, s)
|
|
// 360 and 480 are block boundaries.
|
|
if i == 360 || i == 480 {
|
|
s = copyWithCounterReset(s, histogram.UnknownCounterReset)
|
|
}
|
|
series2ExpSamplesPostCompact = append(series2ExpSamplesPostCompact, s)
|
|
}
|
|
|
|
// Sort samples (as OOO samples not added in time-order).
|
|
sort.Slice(series1ExpSamplesPreCompact, func(i, j int) bool {
|
|
return series1ExpSamplesPreCompact[i].T() < series1ExpSamplesPreCompact[j].T()
|
|
})
|
|
sort.Slice(series1ExpSamplesPostCompact, func(i, j int) bool {
|
|
return series1ExpSamplesPostCompact[i].T() < series1ExpSamplesPostCompact[j].T()
|
|
})
|
|
sort.Slice(series2ExpSamplesPreCompact, func(i, j int) bool {
|
|
return series2ExpSamplesPreCompact[i].T() < series2ExpSamplesPreCompact[j].T()
|
|
})
|
|
sort.Slice(series2ExpSamplesPostCompact, func(i, j int) bool {
|
|
return series2ExpSamplesPostCompact[i].T() < series2ExpSamplesPostCompact[j].T()
|
|
})
|
|
|
|
verifyDBSamples := func(s1Samples, s2Samples []chunks.Sample) {
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): s1Samples,
|
|
series2.String(): s2Samples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, false)
|
|
}
|
|
|
|
// Verify DB samples before compaction.
|
|
verifyDBSamples(series1ExpSamplesPreCompact, series2ExpSamplesPreCompact)
|
|
|
|
// Verify that the in-memory ooo chunk is not empty.
|
|
checkNonEmptyOOOChunk := func(lbls labels.Labels) {
|
|
ms, created, err := db.head.getOrCreate(lbls.Hash(), lbls)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Positive(t, ms.ooo.oooHeadChunk.chunk.NumSamples())
|
|
}
|
|
|
|
checkNonEmptyOOOChunk(series1)
|
|
checkNonEmptyOOOChunk(series2)
|
|
|
|
// No blocks before compaction.
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// There is a 0th WBL file.
|
|
require.NoError(t, db.head.wbl.Sync()) // syncing to make sure wbl is flushed in windows
|
|
files, err := os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "00000000", files[0].Name())
|
|
f, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f.Size(), int64(100))
|
|
|
|
// OOO compaction happens here.
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
|
|
// Check that blocks are created after compaction.
|
|
require.Len(t, db.Blocks(), 5)
|
|
|
|
// Check samples after compaction.
|
|
verifyDBSamples(series1ExpSamplesPostCompact, series2ExpSamplesPostCompact)
|
|
|
|
// 0th WBL file will be deleted and 1st will be the only present.
|
|
files, err = os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "00000001", files[0].Name())
|
|
f, err = files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(0), f.Size())
|
|
|
|
// OOO stuff should not be present in the Head now.
|
|
checkEmptyOOOChunk(series1)
|
|
checkEmptyOOOChunk(series2)
|
|
|
|
verifyBlockSamples := func(block *Block, fromMins, toMins int64) {
|
|
var series1Samples, series2Samples []chunks.Sample
|
|
|
|
for _, s := range series1ExpSamplesPostCompact {
|
|
if s.T() >= fromMins*time.Minute.Milliseconds() {
|
|
// Samples should be sorted, so break out of loop when we reach a timestamp that's too big.
|
|
if s.T() > toMins*time.Minute.Milliseconds() {
|
|
break
|
|
}
|
|
series1Samples = append(series1Samples, s)
|
|
}
|
|
}
|
|
for _, s := range series2ExpSamplesPostCompact {
|
|
if s.T() >= fromMins*time.Minute.Milliseconds() {
|
|
// Samples should be sorted, so break out of loop when we reach a timestamp that's too big.
|
|
if s.T() > toMins*time.Minute.Milliseconds() {
|
|
break
|
|
}
|
|
series2Samples = append(series2Samples, s)
|
|
}
|
|
}
|
|
|
|
expRes := map[string][]chunks.Sample{}
|
|
if len(series1Samples) != 0 {
|
|
expRes[series1.String()] = series1Samples
|
|
}
|
|
if len(series2Samples) != 0 {
|
|
expRes[series2.String()] = series2Samples
|
|
}
|
|
|
|
q, err := NewBlockQuerier(block, math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, false)
|
|
}
|
|
|
|
// Checking for expected data in the blocks.
|
|
verifyBlockSamples(db.Blocks()[0], 100, 119)
|
|
verifyBlockSamples(db.Blocks()[1], 120, 239)
|
|
verifyBlockSamples(db.Blocks()[2], 240, 359)
|
|
verifyBlockSamples(db.Blocks()[3], 360, 479)
|
|
verifyBlockSamples(db.Blocks()[4], 480, 509)
|
|
|
|
// There should be a single m-map file.
|
|
mmapDir := mmappedChunksDir(db.head.opts.ChunkDirRoot)
|
|
files, err = os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
|
|
// Compact the in-order head and expect another block.
|
|
// Since this is a forced compaction, this block is not aligned with 2h.
|
|
err = db.CompactHead(NewRangeHead(db.head, 500*time.Minute.Milliseconds(), 550*time.Minute.Milliseconds()))
|
|
require.NoError(t, err)
|
|
require.Len(t, db.Blocks(), 6)
|
|
verifyBlockSamples(db.Blocks()[5], 520, 520)
|
|
|
|
// Blocks created out of normal and OOO head now. But not merged.
|
|
verifyDBSamples(series1ExpSamplesPostCompact, series2ExpSamplesPostCompact)
|
|
|
|
// The compaction also clears out the old m-map files. Including
|
|
// the file that has ooo chunks.
|
|
files, err = os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "000001", files[0].Name())
|
|
|
|
// This will merge overlapping block.
|
|
require.NoError(t, db.Compact(ctx))
|
|
|
|
require.Len(t, db.Blocks(), 5)
|
|
verifyBlockSamples(db.Blocks()[0], 100, 119)
|
|
verifyBlockSamples(db.Blocks()[1], 120, 239)
|
|
verifyBlockSamples(db.Blocks()[2], 240, 359)
|
|
verifyBlockSamples(db.Blocks()[3], 360, 479)
|
|
verifyBlockSamples(db.Blocks()[4], 480, 520) // Merged block.
|
|
|
|
// Final state. Blocks from normal and OOO head are merged.
|
|
verifyDBSamples(series1ExpSamplesPostCompact, series2ExpSamplesPostCompact)
|
|
}
|
|
}
|
|
|
|
func copyWithCounterReset(s sample, hint histogram.CounterResetHint) sample {
|
|
if s.h != nil {
|
|
h := s.h.Copy()
|
|
h.CounterResetHint = hint
|
|
return sample{t: s.t, h: h}
|
|
}
|
|
|
|
h := s.fh.Copy()
|
|
h.CounterResetHint = hint
|
|
return sample{t: s.t, fh: h}
|
|
}
|
|
|
|
func TestOOOCompactionFailure(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOCompactionFailure(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOCompactionFailure(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions() // We want to manually call it.
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
|
|
addSample := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, _, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSample(250, 350)
|
|
|
|
// Add ooo samples that creates multiple chunks.
|
|
addSample(90, 310)
|
|
|
|
// No blocks before compaction.
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// There is a 0th WBL file.
|
|
verifyFirstWBLFileIs0 := func(count int) {
|
|
require.NoError(t, db.head.wbl.Sync()) // Syncing to make sure wbl is flushed in windows.
|
|
files, err := os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, count)
|
|
require.Equal(t, "00000000", files[0].Name())
|
|
f, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f.Size(), int64(100))
|
|
}
|
|
verifyFirstWBLFileIs0(1)
|
|
|
|
verifyMmapFiles := func(exp ...string) {
|
|
mmapDir := mmappedChunksDir(db.head.opts.ChunkDirRoot)
|
|
files, err := os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, len(exp))
|
|
for i, f := range files {
|
|
require.Equal(t, exp[i], f.Name())
|
|
}
|
|
}
|
|
|
|
verifyMmapFiles("000001")
|
|
|
|
// OOO compaction fails 5 times.
|
|
originalCompactor := db.compactor
|
|
db.compactor = &mockCompactorFailing{t: t}
|
|
for i := 0; i < 5; i++ {
|
|
require.Error(t, db.CompactOOOHead(ctx))
|
|
}
|
|
require.Empty(t, db.Blocks())
|
|
|
|
// M-map files don't change after failed compaction.
|
|
verifyMmapFiles("000001")
|
|
|
|
// Because of 5 compaction attempts, there are 6 files now.
|
|
verifyFirstWBLFileIs0(6)
|
|
|
|
db.compactor = originalCompactor
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
oldBlocks := db.Blocks()
|
|
require.Len(t, db.Blocks(), 3)
|
|
|
|
// Check that the ooo chunks were removed.
|
|
ms, created, err := db.head.getOrCreate(series1.Hash(), series1)
|
|
require.NoError(t, err)
|
|
require.False(t, created)
|
|
require.Nil(t, ms.ooo)
|
|
|
|
// The failed compaction should not have left the ooo Head corrupted.
|
|
// Hence, expect no new blocks with another OOO compaction call.
|
|
require.NoError(t, db.CompactOOOHead(ctx))
|
|
require.Len(t, db.Blocks(), 3)
|
|
require.Equal(t, oldBlocks, db.Blocks())
|
|
|
|
// There should be a single m-map file.
|
|
verifyMmapFiles("000001")
|
|
|
|
// All but last WBL file will be deleted.
|
|
// 8 files in total (starting at 0) because of 7 compaction calls.
|
|
files, err := os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
require.Equal(t, "00000007", files[0].Name())
|
|
f, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(0), f.Size())
|
|
|
|
verifySamples := func(block *Block, fromMins, toMins int64) {
|
|
series1Samples := make([]chunks.Sample, 0, toMins-fromMins+1)
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
series1Samples = append(series1Samples, scenario.sampleFunc(ts, ts))
|
|
}
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): series1Samples,
|
|
}
|
|
|
|
q, err := NewBlockQuerier(block, math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
// Checking for expected data in the blocks.
|
|
verifySamples(db.Blocks()[0], 90, 119)
|
|
verifySamples(db.Blocks()[1], 120, 239)
|
|
verifySamples(db.Blocks()[2], 240, 310)
|
|
|
|
// Compact the in-order head and expect another block.
|
|
// Since this is a forced compaction, this block is not aligned with 2h.
|
|
err = db.CompactHead(NewRangeHead(db.head, 250*time.Minute.Milliseconds(), 350*time.Minute.Milliseconds()))
|
|
require.NoError(t, err)
|
|
require.Len(t, db.Blocks(), 4) // [0, 120), [120, 240), [240, 360), [250, 351)
|
|
verifySamples(db.Blocks()[3], 250, 350)
|
|
|
|
// The compaction also clears out the old m-map files. Including
|
|
// the file that has ooo chunks.
|
|
verifyMmapFiles("000001")
|
|
}
|
|
|
|
func TestWBLCorruption(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 30
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
var allSamples, expAfterRestart []chunks.Sample
|
|
addSamples := func(fromMins, toMins int64, afterRestart bool) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, err := app.Append(0, series1, ts, float64(ts))
|
|
require.NoError(t, err)
|
|
allSamples = append(allSamples, sample{t: ts, f: float64(ts)})
|
|
if afterRestart {
|
|
expAfterRestart = append(expAfterRestart, sample{t: ts, f: float64(ts)})
|
|
}
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSamples(340, 350, true)
|
|
|
|
// OOO samples.
|
|
addSamples(90, 99, true)
|
|
addSamples(100, 119, true)
|
|
addSamples(120, 130, true)
|
|
|
|
// Moving onto the second file.
|
|
_, err = db.head.wbl.NextSegment()
|
|
require.NoError(t, err)
|
|
|
|
// More OOO samples.
|
|
addSamples(200, 230, true)
|
|
addSamples(240, 255, true)
|
|
|
|
// We corrupt WBL after the sample at 255. So everything added later
|
|
// should be deleted after replay.
|
|
|
|
// Checking where we corrupt it.
|
|
require.NoError(t, db.head.wbl.Sync()) // Syncing to make sure wbl is flushed in windows.
|
|
files, err := os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 2)
|
|
f1, err := files[1].Info()
|
|
require.NoError(t, err)
|
|
corruptIndex := f1.Size()
|
|
corruptFilePath := path.Join(db.head.wbl.Dir(), files[1].Name())
|
|
|
|
// Corrupt the WBL by adding a malformed record.
|
|
require.NoError(t, db.head.wbl.Log([]byte{byte(record.Samples), 99, 9, 99, 9, 99, 9, 99}))
|
|
|
|
// More samples after the corruption point.
|
|
addSamples(260, 280, false)
|
|
addSamples(290, 300, false)
|
|
|
|
// Another file.
|
|
_, err = db.head.wbl.NextSegment()
|
|
require.NoError(t, err)
|
|
|
|
addSamples(310, 320, false)
|
|
|
|
// Verifying that we have data after corruption point.
|
|
require.NoError(t, db.head.wbl.Sync()) // Syncing to make sure wbl is flushed in windows.
|
|
files, err = os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 3)
|
|
f1, err = files[1].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f1.Size(), corruptIndex)
|
|
f0, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f0.Size(), int64(100))
|
|
f2, err := files[2].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f2.Size(), int64(100))
|
|
|
|
verifySamples := func(expSamples []chunks.Sample) {
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): expSamples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
require.Equal(t, expRes, actRes)
|
|
}
|
|
|
|
verifySamples(allSamples)
|
|
|
|
require.NoError(t, db.Close())
|
|
|
|
// We want everything to be replayed from the WBL. So we delete the m-map files.
|
|
require.NoError(t, os.RemoveAll(mmappedChunksDir(db.head.opts.ChunkDirRoot)))
|
|
|
|
// Restart does the replay and repair.
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.walCorruptionsTotal))
|
|
require.Less(t, len(expAfterRestart), len(allSamples))
|
|
verifySamples(expAfterRestart)
|
|
|
|
// Verify that it did the repair on disk.
|
|
files, err = os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 3)
|
|
f0, err = files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f0.Size(), int64(100))
|
|
f2, err = files[2].Info()
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(0), f2.Size())
|
|
require.Equal(t, corruptFilePath, path.Join(db.head.wbl.Dir(), files[1].Name()))
|
|
|
|
// Verifying that everything after the corruption point is set to 0.
|
|
b, err := os.ReadFile(corruptFilePath)
|
|
require.NoError(t, err)
|
|
sum := 0
|
|
for _, val := range b[corruptIndex:] {
|
|
sum += int(val)
|
|
}
|
|
require.Equal(t, 0, sum)
|
|
|
|
// Another restart, everything normal with no repair.
|
|
require.NoError(t, db.Close())
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0.0, prom_testutil.ToFloat64(db.head.metrics.walCorruptionsTotal))
|
|
verifySamples(expAfterRestart)
|
|
}
|
|
|
|
func TestOOOMmapCorruption(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOOOMmapCorruption(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOOOMmapCorruption(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderCapMax = 10
|
|
opts.OutOfOrderTimeWindow = 300 * time.Minute.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
var allSamples, expInMmapChunks []chunks.Sample
|
|
addSamples := func(fromMins, toMins int64, inMmapAfterCorruption bool) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, s, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
allSamples = append(allSamples, s)
|
|
if inMmapAfterCorruption {
|
|
expInMmapChunks = append(expInMmapChunks, s)
|
|
}
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// Add an in-order samples.
|
|
addSamples(340, 350, true)
|
|
|
|
// OOO samples.
|
|
addSamples(90, 99, true)
|
|
addSamples(100, 109, true)
|
|
// This sample m-maps a chunk. But 120 goes into a new chunk.
|
|
addSamples(120, 120, false)
|
|
|
|
// Second m-map file. We will corrupt this file. Sample 120 goes into this new file.
|
|
db.head.chunkDiskMapper.CutNewFile()
|
|
|
|
// More OOO samples.
|
|
addSamples(200, 230, false)
|
|
addSamples(240, 255, false)
|
|
|
|
db.head.chunkDiskMapper.CutNewFile()
|
|
addSamples(260, 290, false)
|
|
|
|
verifySamples := func(expSamples []chunks.Sample) {
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): expSamples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
verifySamples(allSamples)
|
|
|
|
// Verifying existing files.
|
|
mmapDir := mmappedChunksDir(db.head.opts.ChunkDirRoot)
|
|
files, err := os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 3)
|
|
|
|
// Corrupting the 2nd file.
|
|
f, err := os.OpenFile(path.Join(mmapDir, files[1].Name()), os.O_RDWR, 0o666)
|
|
require.NoError(t, err)
|
|
_, err = f.WriteAt([]byte{99, 9, 99, 9, 99}, 20)
|
|
require.NoError(t, err)
|
|
require.NoError(t, f.Close())
|
|
firstFileName := files[0].Name()
|
|
|
|
require.NoError(t, db.Close())
|
|
|
|
// Moving OOO WBL to use it later.
|
|
wblDir := db.head.wbl.Dir()
|
|
wblDirTmp := path.Join(t.TempDir(), "wbl_tmp")
|
|
require.NoError(t, os.Rename(wblDir, wblDirTmp))
|
|
|
|
// Restart does the replay and repair of m-map files.
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.mmapChunkCorruptionTotal))
|
|
require.Less(t, len(expInMmapChunks), len(allSamples))
|
|
|
|
// Since there is no WBL, only samples from m-map chunks comes in the query.
|
|
verifySamples(expInMmapChunks)
|
|
|
|
// Verify that it did the repair on disk. All files from the point of corruption
|
|
// should be deleted.
|
|
files, err = os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1)
|
|
f0, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Greater(t, f0.Size(), int64(100))
|
|
require.Equal(t, firstFileName, files[0].Name())
|
|
|
|
// Another restart, everything normal with no repair.
|
|
require.NoError(t, db.Close())
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0.0, prom_testutil.ToFloat64(db.head.metrics.mmapChunkCorruptionTotal))
|
|
verifySamples(expInMmapChunks)
|
|
|
|
// Restart again with the WBL, all samples should be present now.
|
|
require.NoError(t, db.Close())
|
|
require.NoError(t, os.RemoveAll(wblDir))
|
|
require.NoError(t, os.Rename(wblDirTmp, wblDir))
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
verifySamples(allSamples)
|
|
}
|
|
|
|
func TestOutOfOrderRuntimeConfig(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testOutOfOrderRuntimeConfig(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testOutOfOrderRuntimeConfig(t *testing.T, scenario sampleTypeScenario) {
|
|
ctx := context.Background()
|
|
|
|
getDB := func(oooTimeWindow int64) *DB {
|
|
dir := t.TempDir()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = oooTimeWindow
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
return db
|
|
}
|
|
|
|
makeConfig := func(oooTimeWindow int) *config.Config {
|
|
return &config.Config{
|
|
StorageConfig: config.StorageConfig{
|
|
TSDBConfig: &config.TSDBConfig{
|
|
OutOfOrderTimeWindow: int64(oooTimeWindow) * time.Minute.Milliseconds(),
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
addSamples := func(t *testing.T, db *DB, fromMins, toMins int64, success bool, allSamples []chunks.Sample) []chunks.Sample {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, s, err := scenario.appendFunc(app, series1, ts, ts)
|
|
if success {
|
|
require.NoError(t, err)
|
|
allSamples = append(allSamples, s)
|
|
} else {
|
|
require.Error(t, err)
|
|
}
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
return allSamples
|
|
}
|
|
|
|
verifySamples := func(t *testing.T, db *DB, expSamples []chunks.Sample) {
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): expSamples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
doOOOCompaction := func(t *testing.T, db *DB) {
|
|
// WBL is not empty.
|
|
size, err := db.head.wbl.Size()
|
|
require.NoError(t, err)
|
|
require.Positive(t, size)
|
|
|
|
require.Empty(t, db.Blocks())
|
|
require.NoError(t, db.compactOOOHead(ctx))
|
|
require.NotEmpty(t, db.Blocks())
|
|
|
|
// WBL is empty.
|
|
size, err = db.head.wbl.Size()
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(0), size)
|
|
}
|
|
|
|
t.Run("increase time window", func(t *testing.T) {
|
|
var allSamples []chunks.Sample
|
|
db := getDB(30 * time.Minute.Milliseconds())
|
|
|
|
// In-order.
|
|
allSamples = addSamples(t, db, 300, 310, true, allSamples)
|
|
|
|
// OOO upto 30m old is success.
|
|
allSamples = addSamples(t, db, 281, 290, true, allSamples)
|
|
|
|
// OOO of 59m old fails.
|
|
s := addSamples(t, db, 251, 260, false, nil)
|
|
require.Empty(t, s)
|
|
verifySamples(t, db, allSamples)
|
|
|
|
oldWblPtr := fmt.Sprintf("%p", db.head.wbl)
|
|
|
|
// Increase time window and try adding again.
|
|
err := db.ApplyConfig(makeConfig(60))
|
|
require.NoError(t, err)
|
|
allSamples = addSamples(t, db, 251, 260, true, allSamples)
|
|
|
|
// WBL does not change.
|
|
newWblPtr := fmt.Sprintf("%p", db.head.wbl)
|
|
require.Equal(t, oldWblPtr, newWblPtr)
|
|
|
|
doOOOCompaction(t, db)
|
|
verifySamples(t, db, allSamples)
|
|
})
|
|
|
|
t.Run("decrease time window and increase again", func(t *testing.T) {
|
|
var allSamples []chunks.Sample
|
|
db := getDB(60 * time.Minute.Milliseconds())
|
|
|
|
// In-order.
|
|
allSamples = addSamples(t, db, 300, 310, true, allSamples)
|
|
|
|
// OOO upto 59m old is success.
|
|
allSamples = addSamples(t, db, 251, 260, true, allSamples)
|
|
|
|
oldWblPtr := fmt.Sprintf("%p", db.head.wbl)
|
|
// Decrease time window.
|
|
err := db.ApplyConfig(makeConfig(30))
|
|
require.NoError(t, err)
|
|
|
|
// OOO of 49m old fails.
|
|
s := addSamples(t, db, 261, 270, false, nil)
|
|
require.Empty(t, s)
|
|
|
|
// WBL does not change.
|
|
newWblPtr := fmt.Sprintf("%p", db.head.wbl)
|
|
require.Equal(t, oldWblPtr, newWblPtr)
|
|
|
|
verifySamples(t, db, allSamples)
|
|
|
|
// Increase time window again and check
|
|
err = db.ApplyConfig(makeConfig(60))
|
|
require.NoError(t, err)
|
|
allSamples = addSamples(t, db, 261, 270, true, allSamples)
|
|
verifySamples(t, db, allSamples)
|
|
|
|
// WBL does not change.
|
|
newWblPtr = fmt.Sprintf("%p", db.head.wbl)
|
|
require.Equal(t, oldWblPtr, newWblPtr)
|
|
|
|
doOOOCompaction(t, db)
|
|
verifySamples(t, db, allSamples)
|
|
})
|
|
|
|
t.Run("disabled to enabled", func(t *testing.T) {
|
|
var allSamples []chunks.Sample
|
|
db := getDB(0)
|
|
|
|
// In-order.
|
|
allSamples = addSamples(t, db, 300, 310, true, allSamples)
|
|
|
|
// OOO fails.
|
|
s := addSamples(t, db, 251, 260, false, nil)
|
|
require.Empty(t, s)
|
|
verifySamples(t, db, allSamples)
|
|
|
|
require.Nil(t, db.head.wbl)
|
|
|
|
// Increase time window and try adding again.
|
|
err := db.ApplyConfig(makeConfig(60))
|
|
require.NoError(t, err)
|
|
allSamples = addSamples(t, db, 251, 260, true, allSamples)
|
|
|
|
// WBL gets created.
|
|
require.NotNil(t, db.head.wbl)
|
|
|
|
verifySamples(t, db, allSamples)
|
|
|
|
// OOO compaction works now.
|
|
doOOOCompaction(t, db)
|
|
verifySamples(t, db, allSamples)
|
|
})
|
|
|
|
t.Run("enabled to disabled", func(t *testing.T) {
|
|
var allSamples []chunks.Sample
|
|
db := getDB(60 * time.Minute.Milliseconds())
|
|
|
|
// In-order.
|
|
allSamples = addSamples(t, db, 300, 310, true, allSamples)
|
|
|
|
// OOO upto 59m old is success.
|
|
allSamples = addSamples(t, db, 251, 260, true, allSamples)
|
|
|
|
oldWblPtr := fmt.Sprintf("%p", db.head.wbl)
|
|
// Time Window to 0, hence disabled.
|
|
err := db.ApplyConfig(makeConfig(0))
|
|
require.NoError(t, err)
|
|
|
|
// OOO within old time window fails.
|
|
s := addSamples(t, db, 290, 309, false, nil)
|
|
require.Empty(t, s)
|
|
|
|
// WBL does not change and is not removed.
|
|
newWblPtr := fmt.Sprintf("%p", db.head.wbl)
|
|
require.Equal(t, oldWblPtr, newWblPtr)
|
|
|
|
verifySamples(t, db, allSamples)
|
|
|
|
// Compaction still works after disabling with WBL cleanup.
|
|
doOOOCompaction(t, db)
|
|
verifySamples(t, db, allSamples)
|
|
})
|
|
|
|
t.Run("disabled to disabled", func(t *testing.T) {
|
|
var allSamples []chunks.Sample
|
|
db := getDB(0)
|
|
|
|
// In-order.
|
|
allSamples = addSamples(t, db, 300, 310, true, allSamples)
|
|
|
|
// OOO fails.
|
|
s := addSamples(t, db, 290, 309, false, nil)
|
|
require.Empty(t, s)
|
|
verifySamples(t, db, allSamples)
|
|
require.Nil(t, db.head.wbl)
|
|
|
|
// Time window to 0.
|
|
err := db.ApplyConfig(makeConfig(0))
|
|
require.NoError(t, err)
|
|
|
|
// OOO still fails.
|
|
s = addSamples(t, db, 290, 309, false, nil)
|
|
require.Empty(t, s)
|
|
verifySamples(t, db, allSamples)
|
|
require.Nil(t, db.head.wbl)
|
|
})
|
|
}
|
|
|
|
func TestNoGapAfterRestartWithOOO(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testNoGapAfterRestartWithOOO(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testNoGapAfterRestartWithOOO(t *testing.T, scenario sampleTypeScenario) {
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
addSamples := func(t *testing.T, db *DB, fromMins, toMins int64, success bool) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, _, err := scenario.appendFunc(app, series1, ts, ts)
|
|
if success {
|
|
require.NoError(t, err)
|
|
} else {
|
|
require.Error(t, err)
|
|
}
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
verifySamples := func(t *testing.T, db *DB, fromMins, toMins int64) {
|
|
var expSamples []chunks.Sample
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
expSamples = append(expSamples, scenario.sampleFunc(ts, ts))
|
|
}
|
|
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): expSamples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
cases := []struct {
|
|
inOrderMint, inOrderMaxt int64
|
|
oooMint, oooMaxt int64
|
|
// After compaction.
|
|
blockRanges [][2]int64
|
|
headMint, headMaxt int64
|
|
}{
|
|
{
|
|
300, 490,
|
|
489, 489,
|
|
[][2]int64{{300, 360}, {480, 600}},
|
|
360, 490,
|
|
},
|
|
{
|
|
300, 490,
|
|
479, 479,
|
|
[][2]int64{{300, 360}, {360, 480}},
|
|
360, 490,
|
|
},
|
|
}
|
|
|
|
for i, c := range cases {
|
|
t.Run(fmt.Sprintf("case=%d", i), func(t *testing.T) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 30 * time.Minute.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
// 3h10m=190m worth in-order data.
|
|
addSamples(t, db, c.inOrderMint, c.inOrderMaxt, true)
|
|
verifySamples(t, db, c.inOrderMint, c.inOrderMaxt)
|
|
|
|
// One ooo samples.
|
|
addSamples(t, db, c.oooMint, c.oooMaxt, true)
|
|
verifySamples(t, db, c.inOrderMint, c.inOrderMaxt)
|
|
|
|
// We get 2 blocks. 1 from OOO, 1 from in-order.
|
|
require.NoError(t, db.Compact(ctx))
|
|
verifyBlockRanges := func() {
|
|
blocks := db.Blocks()
|
|
require.Equal(t, len(c.blockRanges), len(blocks))
|
|
for j, br := range c.blockRanges {
|
|
require.Equal(t, br[0]*time.Minute.Milliseconds(), blocks[j].MinTime())
|
|
require.Equal(t, br[1]*time.Minute.Milliseconds(), blocks[j].MaxTime())
|
|
}
|
|
}
|
|
verifyBlockRanges()
|
|
require.Equal(t, c.headMint*time.Minute.Milliseconds(), db.head.MinTime())
|
|
require.Equal(t, c.headMaxt*time.Minute.Milliseconds(), db.head.MaxTime())
|
|
|
|
// Restart and expect all samples to be present.
|
|
require.NoError(t, db.Close())
|
|
|
|
db, err = Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
|
|
verifyBlockRanges()
|
|
require.Equal(t, c.headMint*time.Minute.Milliseconds(), db.head.MinTime())
|
|
require.Equal(t, c.headMaxt*time.Minute.Milliseconds(), db.head.MaxTime())
|
|
verifySamples(t, db, c.inOrderMint, c.inOrderMaxt)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestWblReplayAfterOOODisableAndRestart(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testWblReplayAfterOOODisableAndRestart(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testWblReplayAfterOOODisableAndRestart(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 60 * time.Minute.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
var allSamples []chunks.Sample
|
|
addSamples := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, s, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
allSamples = append(allSamples, s)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// In-order samples.
|
|
addSamples(290, 300)
|
|
// OOO samples.
|
|
addSamples(250, 260)
|
|
|
|
verifySamples := func(expSamples []chunks.Sample) {
|
|
sort.Slice(expSamples, func(i, j int) bool {
|
|
return expSamples[i].T() < expSamples[j].T()
|
|
})
|
|
|
|
expRes := map[string][]chunks.Sample{
|
|
series1.String(): expSamples,
|
|
}
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
|
|
actRes := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "foo", "bar.*"))
|
|
requireEqualSeries(t, expRes, actRes, true)
|
|
}
|
|
|
|
verifySamples(allSamples)
|
|
|
|
// Restart DB with OOO disabled.
|
|
require.NoError(t, db.Close())
|
|
opts.OutOfOrderTimeWindow = 0
|
|
db, err = Open(db.dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
|
|
// We can still query OOO samples when OOO is disabled.
|
|
verifySamples(allSamples)
|
|
}
|
|
|
|
func TestPanicOnApplyConfig(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testPanicOnApplyConfig(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testPanicOnApplyConfig(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 60 * time.Minute.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
var allSamples []chunks.Sample
|
|
addSamples := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, s, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
allSamples = append(allSamples, s)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// In-order samples.
|
|
addSamples(290, 300)
|
|
// OOO samples.
|
|
addSamples(250, 260)
|
|
|
|
// Restart DB with OOO disabled.
|
|
require.NoError(t, db.Close())
|
|
opts.OutOfOrderTimeWindow = 0
|
|
db, err = Open(db.dir, nil, prometheus.NewRegistry(), opts, nil)
|
|
require.NoError(t, err)
|
|
|
|
// ApplyConfig with OOO enabled and expect no panic.
|
|
err = db.ApplyConfig(&config.Config{
|
|
StorageConfig: config.StorageConfig{
|
|
TSDBConfig: &config.TSDBConfig{
|
|
OutOfOrderTimeWindow: 60 * time.Minute.Milliseconds(),
|
|
},
|
|
},
|
|
})
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestDiskFillingUpAfterDisablingOOO(t *testing.T) {
|
|
for name, scenario := range sampleTypeScenarios {
|
|
t.Run(name, func(t *testing.T) {
|
|
testDiskFillingUpAfterDisablingOOO(t, scenario)
|
|
})
|
|
}
|
|
}
|
|
|
|
func testDiskFillingUpAfterDisablingOOO(t *testing.T, scenario sampleTypeScenario) {
|
|
dir := t.TempDir()
|
|
ctx := context.Background()
|
|
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 60 * time.Minute.Milliseconds()
|
|
opts.EnableNativeHistograms = true
|
|
opts.EnableOOONativeHistograms = true
|
|
|
|
db, err := Open(dir, nil, nil, opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
series1 := labels.FromStrings("foo", "bar1")
|
|
var allSamples []chunks.Sample
|
|
addSamples := func(fromMins, toMins int64) {
|
|
app := db.Appender(context.Background())
|
|
for m := fromMins; m <= toMins; m++ {
|
|
ts := m * time.Minute.Milliseconds()
|
|
_, s, err := scenario.appendFunc(app, series1, ts, ts)
|
|
require.NoError(t, err)
|
|
allSamples = append(allSamples, s)
|
|
}
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
|
|
// In-order samples.
|
|
addSamples(290, 300)
|
|
// OOO samples.
|
|
addSamples(250, 299)
|
|
|
|
// Restart DB with OOO disabled.
|
|
require.NoError(t, db.Close())
|
|
opts.OutOfOrderTimeWindow = 0
|
|
db, err = Open(db.dir, nil, prometheus.NewRegistry(), opts, nil)
|
|
require.NoError(t, err)
|
|
db.DisableCompactions()
|
|
|
|
ms := db.head.series.getByHash(series1.Hash(), series1)
|
|
require.NotEmpty(t, ms.ooo.oooMmappedChunks, "OOO mmap chunk was not replayed")
|
|
|
|
checkMmapFileContents := func(contains, notContains []string) {
|
|
mmapDir := mmappedChunksDir(db.head.opts.ChunkDirRoot)
|
|
files, err := os.ReadDir(mmapDir)
|
|
require.NoError(t, err)
|
|
|
|
fnames := make([]string, 0, len(files))
|
|
for _, f := range files {
|
|
fnames = append(fnames, f.Name())
|
|
}
|
|
|
|
for _, f := range contains {
|
|
require.Contains(t, fnames, f)
|
|
}
|
|
for _, f := range notContains {
|
|
require.NotContains(t, fnames, f)
|
|
}
|
|
}
|
|
|
|
// Add in-order samples until ready for compaction..
|
|
addSamples(301, 500)
|
|
|
|
// Check that m-map files gets deleted properly after compactions.
|
|
|
|
db.head.mmapHeadChunks()
|
|
checkMmapFileContents([]string{"000001", "000002"}, nil)
|
|
require.NoError(t, db.Compact(ctx))
|
|
checkMmapFileContents([]string{"000002"}, []string{"000001"})
|
|
require.Nil(t, ms.ooo, "OOO mmap chunk was not compacted")
|
|
|
|
addSamples(501, 650)
|
|
db.head.mmapHeadChunks()
|
|
checkMmapFileContents([]string{"000002", "000003"}, []string{"000001"})
|
|
require.NoError(t, db.Compact(ctx))
|
|
checkMmapFileContents(nil, []string{"000001", "000002", "000003"})
|
|
|
|
// Verify that WBL is empty.
|
|
files, err := os.ReadDir(db.head.wbl.Dir())
|
|
require.NoError(t, err)
|
|
require.Len(t, files, 1) // Last empty file after compaction.
|
|
finfo, err := files[0].Info()
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(0), finfo.Size())
|
|
}
|
|
|
|
func TestHistogramAppendAndQuery(t *testing.T) {
|
|
t.Run("integer histograms", func(t *testing.T) {
|
|
testHistogramAppendAndQueryHelper(t, false)
|
|
})
|
|
t.Run("float histograms", func(t *testing.T) {
|
|
testHistogramAppendAndQueryHelper(t, true)
|
|
})
|
|
}
|
|
|
|
func testHistogramAppendAndQueryHelper(t *testing.T, floatHistogram bool) {
|
|
t.Helper()
|
|
db := openTestDB(t, nil, nil)
|
|
minute := func(m int) int64 { return int64(m) * time.Minute.Milliseconds() }
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
ctx := context.Background()
|
|
appendHistogram := func(
|
|
lbls labels.Labels, tsMinute int, h *histogram.Histogram,
|
|
exp *[]chunks.Sample, expCRH histogram.CounterResetHint,
|
|
) {
|
|
t.Helper()
|
|
var err error
|
|
app := db.Appender(ctx)
|
|
if floatHistogram {
|
|
_, err = app.AppendHistogram(0, lbls, minute(tsMinute), nil, h.ToFloat(nil))
|
|
efh := h.ToFloat(nil)
|
|
efh.CounterResetHint = expCRH
|
|
*exp = append(*exp, sample{t: minute(tsMinute), fh: efh})
|
|
} else {
|
|
_, err = app.AppendHistogram(0, lbls, minute(tsMinute), h.Copy(), nil)
|
|
eh := h.Copy()
|
|
eh.CounterResetHint = expCRH
|
|
*exp = append(*exp, sample{t: minute(tsMinute), h: eh})
|
|
}
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
}
|
|
appendFloat := func(lbls labels.Labels, tsMinute int, val float64, exp *[]chunks.Sample) {
|
|
t.Helper()
|
|
app := db.Appender(ctx)
|
|
_, err := app.Append(0, lbls, minute(tsMinute), val)
|
|
require.NoError(t, err)
|
|
require.NoError(t, app.Commit())
|
|
*exp = append(*exp, sample{t: minute(tsMinute), f: val})
|
|
}
|
|
|
|
testQuery := func(name, value string, exp map[string][]chunks.Sample) {
|
|
t.Helper()
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
act := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, name, value))
|
|
require.Equal(t, exp, act)
|
|
}
|
|
|
|
baseH := &histogram.Histogram{
|
|
Count: 15,
|
|
ZeroCount: 4,
|
|
ZeroThreshold: 0.001,
|
|
Sum: 35.5,
|
|
Schema: 1,
|
|
PositiveSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 2, Length: 2},
|
|
},
|
|
PositiveBuckets: []int64{1, 1, -1, 0},
|
|
NegativeSpans: []histogram.Span{
|
|
{Offset: 0, Length: 1},
|
|
{Offset: 1, Length: 2},
|
|
},
|
|
NegativeBuckets: []int64{1, 2, -1},
|
|
}
|
|
|
|
var (
|
|
series1 = labels.FromStrings("foo", "bar1")
|
|
series2 = labels.FromStrings("foo", "bar2")
|
|
series3 = labels.FromStrings("foo", "bar3")
|
|
series4 = labels.FromStrings("foo", "bar4")
|
|
exp1, exp2, exp3, exp4 []chunks.Sample
|
|
)
|
|
|
|
// TODO(codesome): test everything for negative buckets as well.
|
|
t.Run("series with only histograms", func(t *testing.T) {
|
|
h := baseH.Copy() // This is shared across all sub tests.
|
|
|
|
appendHistogram(series1, 100, h, &exp1, histogram.UnknownCounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
|
|
h.PositiveBuckets[0]++
|
|
h.NegativeBuckets[0] += 2
|
|
h.Count += 10
|
|
appendHistogram(series1, 101, h, &exp1, histogram.NotCounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
|
|
t.Run("changing schema", func(t *testing.T) {
|
|
h.Schema = 2
|
|
appendHistogram(series1, 102, h, &exp1, histogram.UnknownCounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
|
|
// Schema back to old.
|
|
h.Schema = 1
|
|
appendHistogram(series1, 103, h, &exp1, histogram.UnknownCounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
})
|
|
|
|
t.Run("new buckets incoming", func(t *testing.T) {
|
|
// In the previous unit test, during the last histogram append, we
|
|
// changed the schema and that caused a new chunk creation. Because
|
|
// of the next append the layout of the last histogram will change
|
|
// because the chunk will be re-encoded. So this forces us to modify
|
|
// the last histogram in exp1 so when we query we get the expected
|
|
// results.
|
|
if floatHistogram {
|
|
lh := exp1[len(exp1)-1].FH().Copy()
|
|
lh.PositiveSpans[1].Length++
|
|
lh.PositiveBuckets = append(lh.PositiveBuckets, 0)
|
|
exp1[len(exp1)-1] = sample{t: exp1[len(exp1)-1].T(), fh: lh}
|
|
} else {
|
|
lh := exp1[len(exp1)-1].H().Copy()
|
|
lh.PositiveSpans[1].Length++
|
|
lh.PositiveBuckets = append(lh.PositiveBuckets, -2) // -2 makes the last bucket 0.
|
|
exp1[len(exp1)-1] = sample{t: exp1[len(exp1)-1].T(), h: lh}
|
|
}
|
|
|
|
// This histogram with new bucket at the end causes the re-encoding of the previous histogram.
|
|
// Hence the previous histogram is recoded into this new layout.
|
|
// But the query returns the histogram from the in-memory buffer, hence we don't see the recode here yet.
|
|
h.PositiveSpans[1].Length++
|
|
h.PositiveBuckets = append(h.PositiveBuckets, 1)
|
|
h.Count += 3
|
|
appendHistogram(series1, 104, h, &exp1, histogram.NotCounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
|
|
// Because of the previous two histograms being on the active chunk,
|
|
// and the next append is only adding a new bucket, the active chunk
|
|
// will be re-encoded to the new layout.
|
|
if floatHistogram {
|
|
lh := exp1[len(exp1)-2].FH().Copy()
|
|
lh.PositiveSpans[0].Length++
|
|
lh.PositiveSpans[1].Offset--
|
|
lh.PositiveBuckets = []float64{2, 3, 0, 2, 2, 0}
|
|
exp1[len(exp1)-2] = sample{t: exp1[len(exp1)-2].T(), fh: lh}
|
|
|
|
lh = exp1[len(exp1)-1].FH().Copy()
|
|
lh.PositiveSpans[0].Length++
|
|
lh.PositiveSpans[1].Offset--
|
|
lh.PositiveBuckets = []float64{2, 3, 0, 2, 2, 3}
|
|
exp1[len(exp1)-1] = sample{t: exp1[len(exp1)-1].T(), fh: lh}
|
|
} else {
|
|
lh := exp1[len(exp1)-2].H().Copy()
|
|
lh.PositiveSpans[0].Length++
|
|
lh.PositiveSpans[1].Offset--
|
|
lh.PositiveBuckets = []int64{2, 1, -3, 2, 0, -2}
|
|
exp1[len(exp1)-2] = sample{t: exp1[len(exp1)-2].T(), h: lh}
|
|
|
|
lh = exp1[len(exp1)-1].H().Copy()
|
|
lh.PositiveSpans[0].Length++
|
|
lh.PositiveSpans[1].Offset--
|
|
lh.PositiveBuckets = []int64{2, 1, -3, 2, 0, 1}
|
|
exp1[len(exp1)-1] = sample{t: exp1[len(exp1)-1].T(), h: lh}
|
|
}
|
|
|
|
// Now we add the new buckets in between. Empty bucket is again not present for the old histogram.
|
|
h.PositiveSpans[0].Length++
|
|
h.PositiveSpans[1].Offset--
|
|
h.Count += 3
|
|
// {2, 1, -1, 0, 1} -> {2, 1, 0, -1, 0, 1}
|
|
h.PositiveBuckets = append(h.PositiveBuckets[:2], append([]int64{0}, h.PositiveBuckets[2:]...)...)
|
|
appendHistogram(series1, 105, h, &exp1, histogram.NotCounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
|
|
// We add 4 more histograms to clear out the buffer and see the re-encoded histograms.
|
|
appendHistogram(series1, 106, h, &exp1, histogram.NotCounterReset)
|
|
appendHistogram(series1, 107, h, &exp1, histogram.NotCounterReset)
|
|
appendHistogram(series1, 108, h, &exp1, histogram.NotCounterReset)
|
|
appendHistogram(series1, 109, h, &exp1, histogram.NotCounterReset)
|
|
|
|
// Update the expected histograms to reflect the re-encoding.
|
|
if floatHistogram {
|
|
l := len(exp1)
|
|
h7 := exp1[l-7].FH()
|
|
h7.PositiveSpans = exp1[l-1].FH().PositiveSpans
|
|
h7.PositiveBuckets = []float64{2, 3, 0, 2, 2, 0}
|
|
exp1[l-7] = sample{t: exp1[l-7].T(), fh: h7}
|
|
|
|
h6 := exp1[l-6].FH()
|
|
h6.PositiveSpans = exp1[l-1].FH().PositiveSpans
|
|
h6.PositiveBuckets = []float64{2, 3, 0, 2, 2, 3}
|
|
exp1[l-6] = sample{t: exp1[l-6].T(), fh: h6}
|
|
} else {
|
|
l := len(exp1)
|
|
h7 := exp1[l-7].H()
|
|
h7.PositiveSpans = exp1[l-1].H().PositiveSpans
|
|
h7.PositiveBuckets = []int64{2, 1, -3, 2, 0, -2} // -3 and -2 are the empty buckets.
|
|
exp1[l-7] = sample{t: exp1[l-7].T(), h: h7}
|
|
|
|
h6 := exp1[l-6].H()
|
|
h6.PositiveSpans = exp1[l-1].H().PositiveSpans
|
|
h6.PositiveBuckets = []int64{2, 1, -3, 2, 0, 1} // -3 is the empty bucket.
|
|
exp1[l-6] = sample{t: exp1[l-6].T(), h: h6}
|
|
}
|
|
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
})
|
|
|
|
t.Run("buckets disappearing", func(t *testing.T) {
|
|
h.PositiveSpans[1].Length--
|
|
h.PositiveBuckets = h.PositiveBuckets[:len(h.PositiveBuckets)-1]
|
|
h.Count -= 3
|
|
appendHistogram(series1, 110, h, &exp1, histogram.CounterReset)
|
|
testQuery("foo", "bar1", map[string][]chunks.Sample{series1.String(): exp1})
|
|
})
|
|
})
|
|
|
|
t.Run("series starting with float and then getting histograms", func(t *testing.T) {
|
|
appendFloat(series2, 100, 100, &exp2)
|
|
appendFloat(series2, 101, 101, &exp2)
|
|
appendFloat(series2, 102, 102, &exp2)
|
|
testQuery("foo", "bar2", map[string][]chunks.Sample{series2.String(): exp2})
|
|
|
|
h := baseH.Copy()
|
|
appendHistogram(series2, 103, h, &exp2, histogram.UnknownCounterReset)
|
|
appendHistogram(series2, 104, h, &exp2, histogram.NotCounterReset)
|
|
appendHistogram(series2, 105, h, &exp2, histogram.NotCounterReset)
|
|
testQuery("foo", "bar2", map[string][]chunks.Sample{series2.String(): exp2})
|
|
|
|
// Switching between float and histograms again.
|
|
appendFloat(series2, 106, 106, &exp2)
|
|
appendFloat(series2, 107, 107, &exp2)
|
|
testQuery("foo", "bar2", map[string][]chunks.Sample{series2.String(): exp2})
|
|
|
|
appendHistogram(series2, 108, h, &exp2, histogram.UnknownCounterReset)
|
|
appendHistogram(series2, 109, h, &exp2, histogram.NotCounterReset)
|
|
testQuery("foo", "bar2", map[string][]chunks.Sample{series2.String(): exp2})
|
|
})
|
|
|
|
t.Run("series starting with histogram and then getting float", func(t *testing.T) {
|
|
h := baseH.Copy()
|
|
appendHistogram(series3, 101, h, &exp3, histogram.UnknownCounterReset)
|
|
appendHistogram(series3, 102, h, &exp3, histogram.NotCounterReset)
|
|
appendHistogram(series3, 103, h, &exp3, histogram.NotCounterReset)
|
|
testQuery("foo", "bar3", map[string][]chunks.Sample{series3.String(): exp3})
|
|
|
|
appendFloat(series3, 104, 100, &exp3)
|
|
appendFloat(series3, 105, 101, &exp3)
|
|
appendFloat(series3, 106, 102, &exp3)
|
|
testQuery("foo", "bar3", map[string][]chunks.Sample{series3.String(): exp3})
|
|
|
|
// Switching between histogram and float again.
|
|
appendHistogram(series3, 107, h, &exp3, histogram.UnknownCounterReset)
|
|
appendHistogram(series3, 108, h, &exp3, histogram.NotCounterReset)
|
|
testQuery("foo", "bar3", map[string][]chunks.Sample{series3.String(): exp3})
|
|
|
|
appendFloat(series3, 109, 106, &exp3)
|
|
appendFloat(series3, 110, 107, &exp3)
|
|
testQuery("foo", "bar3", map[string][]chunks.Sample{series3.String(): exp3})
|
|
})
|
|
|
|
t.Run("query mix of histogram and float series", func(t *testing.T) {
|
|
// A float only series.
|
|
appendFloat(series4, 100, 100, &exp4)
|
|
appendFloat(series4, 101, 101, &exp4)
|
|
appendFloat(series4, 102, 102, &exp4)
|
|
|
|
testQuery("foo", "bar.*", map[string][]chunks.Sample{
|
|
series1.String(): exp1,
|
|
series2.String(): exp2,
|
|
series3.String(): exp3,
|
|
series4.String(): exp4,
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestQueryHistogramFromBlocksWithCompaction(t *testing.T) {
|
|
minute := func(m int) int64 { return int64(m) * time.Minute.Milliseconds() }
|
|
|
|
testBlockQuerying := func(t *testing.T, blockSeries ...[]storage.Series) {
|
|
t.Helper()
|
|
|
|
opts := DefaultOptions()
|
|
db := openTestDB(t, opts, nil)
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
|
|
var it chunkenc.Iterator
|
|
exp := make(map[string][]chunks.Sample)
|
|
for _, series := range blockSeries {
|
|
createBlock(t, db.Dir(), series)
|
|
|
|
for _, s := range series {
|
|
lbls := s.Labels().String()
|
|
slice := exp[lbls]
|
|
it = s.Iterator(it)
|
|
smpls, err := storage.ExpandSamples(it, nil)
|
|
require.NoError(t, err)
|
|
slice = append(slice, smpls...)
|
|
sort.Slice(slice, func(i, j int) bool {
|
|
return slice[i].T() < slice[j].T()
|
|
})
|
|
exp[lbls] = slice
|
|
}
|
|
}
|
|
|
|
require.Empty(t, db.Blocks())
|
|
require.NoError(t, db.reload())
|
|
require.Len(t, db.Blocks(), len(blockSeries))
|
|
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
res := query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "__name__", ".*"))
|
|
compareSeries(t, exp, res)
|
|
|
|
// Compact all the blocks together and query again.
|
|
blocks := db.Blocks()
|
|
blockDirs := make([]string, 0, len(blocks))
|
|
for _, b := range blocks {
|
|
blockDirs = append(blockDirs, b.Dir())
|
|
}
|
|
ids, err := db.compactor.Compact(db.Dir(), blockDirs, blocks)
|
|
require.NoError(t, err)
|
|
require.Len(t, ids, 1)
|
|
require.NoError(t, db.reload())
|
|
require.Len(t, db.Blocks(), 1)
|
|
|
|
q, err = db.Querier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
res = query(t, q, labels.MustNewMatcher(labels.MatchRegexp, "__name__", ".*"))
|
|
|
|
// After compaction, we do not require "unknown" counter resets
|
|
// due to origin from different overlapping chunks anymore.
|
|
for _, ss := range exp {
|
|
for i, s := range ss[1:] {
|
|
if s.Type() == chunkenc.ValHistogram && ss[i].Type() == chunkenc.ValHistogram && s.H().CounterResetHint == histogram.UnknownCounterReset {
|
|
s.H().CounterResetHint = histogram.NotCounterReset
|
|
}
|
|
if s.Type() == chunkenc.ValFloatHistogram && ss[i].Type() == chunkenc.ValFloatHistogram && s.FH().CounterResetHint == histogram.UnknownCounterReset {
|
|
s.FH().CounterResetHint = histogram.NotCounterReset
|
|
}
|
|
}
|
|
}
|
|
compareSeries(t, exp, res)
|
|
}
|
|
|
|
for _, floatHistogram := range []bool{false, true} {
|
|
t.Run(fmt.Sprintf("floatHistogram=%t", floatHistogram), func(t *testing.T) {
|
|
t.Run("serial blocks with only histograms", func(t *testing.T) {
|
|
testBlockQuerying(t,
|
|
genHistogramSeries(10, 5, minute(0), minute(119), minute(1), floatHistogram),
|
|
genHistogramSeries(10, 5, minute(120), minute(239), minute(1), floatHistogram),
|
|
genHistogramSeries(10, 5, minute(240), minute(359), minute(1), floatHistogram),
|
|
)
|
|
})
|
|
|
|
t.Run("serial blocks with either histograms or floats in a block and not both", func(t *testing.T) {
|
|
testBlockQuerying(t,
|
|
genHistogramSeries(10, 5, minute(0), minute(119), minute(1), floatHistogram),
|
|
genSeriesFromSampleGenerator(10, 5, minute(120), minute(239), minute(1), func(ts int64) chunks.Sample {
|
|
return sample{t: ts, f: rand.Float64()}
|
|
}),
|
|
genHistogramSeries(10, 5, minute(240), minute(359), minute(1), floatHistogram),
|
|
)
|
|
})
|
|
|
|
t.Run("serial blocks with mix of histograms and float64", func(t *testing.T) {
|
|
testBlockQuerying(t,
|
|
genHistogramAndFloatSeries(10, 5, minute(0), minute(60), minute(1), floatHistogram),
|
|
genHistogramSeries(10, 5, minute(61), minute(120), minute(1), floatHistogram),
|
|
genHistogramAndFloatSeries(10, 5, minute(121), minute(180), minute(1), floatHistogram),
|
|
genSeriesFromSampleGenerator(10, 5, minute(181), minute(240), minute(1), func(ts int64) chunks.Sample {
|
|
return sample{t: ts, f: rand.Float64()}
|
|
}),
|
|
)
|
|
})
|
|
|
|
t.Run("overlapping blocks with only histograms", func(t *testing.T) {
|
|
testBlockQuerying(t,
|
|
genHistogramSeries(10, 5, minute(0), minute(120), minute(3), floatHistogram),
|
|
genHistogramSeries(10, 5, minute(1), minute(120), minute(3), floatHistogram),
|
|
genHistogramSeries(10, 5, minute(2), minute(120), minute(3), floatHistogram),
|
|
)
|
|
})
|
|
|
|
t.Run("overlapping blocks with only histograms and only float in a series", func(t *testing.T) {
|
|
testBlockQuerying(t,
|
|
genHistogramSeries(10, 5, minute(0), minute(120), minute(3), floatHistogram),
|
|
genSeriesFromSampleGenerator(10, 5, minute(1), minute(120), minute(3), func(ts int64) chunks.Sample {
|
|
return sample{t: ts, f: rand.Float64()}
|
|
}),
|
|
genHistogramSeries(10, 5, minute(2), minute(120), minute(3), floatHistogram),
|
|
)
|
|
})
|
|
|
|
t.Run("overlapping blocks with mix of histograms and float64", func(t *testing.T) {
|
|
testBlockQuerying(t,
|
|
genHistogramAndFloatSeries(10, 5, minute(0), minute(60), minute(3), floatHistogram),
|
|
genHistogramSeries(10, 5, minute(46), minute(100), minute(3), floatHistogram),
|
|
genHistogramAndFloatSeries(10, 5, minute(89), minute(140), minute(3), floatHistogram),
|
|
genSeriesFromSampleGenerator(10, 5, minute(126), minute(200), minute(3), func(ts int64) chunks.Sample {
|
|
return sample{t: ts, f: rand.Float64()}
|
|
}),
|
|
)
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestNativeHistogramFlag(t *testing.T) {
|
|
dir := t.TempDir()
|
|
db, err := Open(dir, nil, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
require.NoError(t, db.Close())
|
|
})
|
|
h := &histogram.Histogram{
|
|
Count: 9,
|
|
ZeroCount: 4,
|
|
ZeroThreshold: 0.001,
|
|
Sum: 35.5,
|
|
Schema: 1,
|
|
PositiveSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 2, Length: 2},
|
|
},
|
|
PositiveBuckets: []int64{1, 1, -1, 0},
|
|
}
|
|
|
|
l := labels.FromStrings("foo", "bar")
|
|
|
|
app := db.Appender(context.Background())
|
|
|
|
// Disabled by default.
|
|
_, err = app.AppendHistogram(0, l, 100, h, nil)
|
|
require.Equal(t, storage.ErrNativeHistogramsDisabled, err)
|
|
_, err = app.AppendHistogram(0, l, 105, nil, h.ToFloat(nil))
|
|
require.Equal(t, storage.ErrNativeHistogramsDisabled, err)
|
|
|
|
// Enable and append.
|
|
db.EnableNativeHistograms()
|
|
_, err = app.AppendHistogram(0, l, 200, h, nil)
|
|
require.NoError(t, err)
|
|
_, err = app.AppendHistogram(0, l, 205, nil, h.ToFloat(nil))
|
|
require.NoError(t, err)
|
|
|
|
db.DisableNativeHistograms()
|
|
_, err = app.AppendHistogram(0, l, 300, h, nil)
|
|
require.Equal(t, storage.ErrNativeHistogramsDisabled, err)
|
|
_, err = app.AppendHistogram(0, l, 305, nil, h.ToFloat(nil))
|
|
require.Equal(t, storage.ErrNativeHistogramsDisabled, err)
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
q, err := db.Querier(math.MinInt, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
act := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
require.Equal(t, map[string][]chunks.Sample{
|
|
l.String(): {sample{t: 200, h: h}, sample{t: 205, fh: h.ToFloat(nil)}},
|
|
}, act)
|
|
}
|
|
|
|
func TestOOONativeHistogramFlag(t *testing.T) {
|
|
h := &histogram.Histogram{
|
|
Count: 9,
|
|
ZeroCount: 4,
|
|
ZeroThreshold: 0.001,
|
|
Sum: 35.5,
|
|
Schema: 1,
|
|
PositiveSpans: []histogram.Span{
|
|
{Offset: 0, Length: 2},
|
|
{Offset: 2, Length: 2},
|
|
},
|
|
PositiveBuckets: []int64{1, 1, -1, 0},
|
|
}
|
|
|
|
l := labels.FromStrings("foo", "bar")
|
|
|
|
t.Run("Test OOO native histograms if OOO is disabled", func(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 0
|
|
db := openTestDB(t, opts, []int64{100})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Enable Native Histograms and OOO Native Histogram ingestion
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
|
|
app := db.Appender(context.Background())
|
|
_, err := app.AppendHistogram(0, l, 100, h, nil)
|
|
require.NoError(t, err)
|
|
|
|
_, err = app.AppendHistogram(0, l, 50, h, nil)
|
|
require.NoError(t, err) // The OOO sample is not detected until it is committed, so no error is returned
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
q, err := db.Querier(math.MinInt, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
act := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
require.Equal(t, map[string][]chunks.Sample{
|
|
l.String(): {sample{t: 100, h: h}},
|
|
}, act)
|
|
})
|
|
t.Run("Test OOO Native Histograms if Native Histograms are disabled", func(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 100
|
|
db := openTestDB(t, opts, []int64{100})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Disable Native Histograms and enable OOO Native Histogram ingestion
|
|
db.DisableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
|
|
// Attempt to add an in-order sample
|
|
app := db.Appender(context.Background())
|
|
_, err := app.AppendHistogram(0, l, 200, h, nil)
|
|
require.Equal(t, storage.ErrNativeHistogramsDisabled, err)
|
|
|
|
// Attempt to add an OOO sample
|
|
_, err = app.AppendHistogram(0, l, 100, h, nil)
|
|
require.Equal(t, storage.ErrNativeHistogramsDisabled, err)
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
q, err := db.Querier(math.MinInt, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
act := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
require.Equal(t, map[string][]chunks.Sample{}, act)
|
|
})
|
|
t.Run("Test OOO native histograms when flag is enabled", func(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.OutOfOrderTimeWindow = 100
|
|
db := openTestDB(t, opts, []int64{100})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
// Enable Native Histograms and OOO Native Histogram ingestion
|
|
db.EnableNativeHistograms()
|
|
db.EnableOOONativeHistograms()
|
|
|
|
// Add in-order samples
|
|
app := db.Appender(context.Background())
|
|
_, err := app.AppendHistogram(0, l, 200, h, nil)
|
|
require.NoError(t, err)
|
|
|
|
// Add OOO samples
|
|
_, err = app.AppendHistogram(0, l, 100, h, nil)
|
|
require.NoError(t, err)
|
|
_, err = app.AppendHistogram(0, l, 150, h, nil)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, app.Commit())
|
|
|
|
q, err := db.Querier(math.MinInt, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
act := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
requireEqualSeries(t, map[string][]chunks.Sample{
|
|
l.String(): {sample{t: 100, h: h}, sample{t: 150, h: h}, sample{t: 200, h: h}},
|
|
}, act, true)
|
|
})
|
|
}
|
|
|
|
// compareSeries essentially replaces `require.Equal(t, expected, actual) in
|
|
// situations where the actual series might contain more counter reset hints
|
|
// "unknown" than the expected series. This can easily happen for long series
|
|
// that trigger new chunks. This function therefore tolerates counter reset
|
|
// hints "CounterReset" and "NotCounterReset" in an expected series where the
|
|
// actual series contains a counter reset hint "UnknownCounterReset".
|
|
// "GaugeType" hints are still strictly checked, and any "UnknownCounterReset"
|
|
// in an expected series has to be matched precisely by the actual series.
|
|
func compareSeries(t require.TestingT, expected, actual map[string][]chunks.Sample) {
|
|
if len(expected) != len(actual) {
|
|
// The reason for the difference is not the counter reset hints
|
|
// (alone), so let's use the pretty diffing by the require
|
|
// package.
|
|
require.Equal(t, expected, actual, "number of series differs")
|
|
}
|
|
for key, expSamples := range expected {
|
|
actSamples, ok := actual[key]
|
|
if !ok {
|
|
require.Equal(t, expected, actual, "expected series %q not found", key)
|
|
}
|
|
if len(expSamples) != len(actSamples) {
|
|
require.Equal(t, expSamples, actSamples, "number of samples for series %q differs", key)
|
|
}
|
|
|
|
for i, eS := range expSamples {
|
|
aS := actSamples[i]
|
|
|
|
// Must use the interface as Equal does not work when actual types differ
|
|
// not only does the type differ, but chunk.Sample.FH() interface may auto convert from chunk.Sample.H()!
|
|
require.Equal(t, eS.T(), aS.T(), "timestamp of sample %d in series %q differs", i, key)
|
|
|
|
require.Equal(t, eS.Type(), aS.Type(), "type of sample %d in series %q differs", i, key)
|
|
|
|
switch eS.Type() {
|
|
case chunkenc.ValFloat:
|
|
require.Equal(t, eS.F(), aS.F(), "sample %d in series %q differs", i, key)
|
|
case chunkenc.ValHistogram:
|
|
eH, aH := eS.H(), aS.H()
|
|
if aH.CounterResetHint == histogram.UnknownCounterReset && aH.CounterResetHint != histogram.GaugeType {
|
|
eH = eH.Copy()
|
|
// It is always safe to set the counter reset hint to UnknownCounterReset
|
|
eH.CounterResetHint = histogram.UnknownCounterReset
|
|
eS = sample{t: eS.T(), h: eH}
|
|
}
|
|
require.Equal(t, eH, aH, "histogram sample %d in series %q differs", i, key)
|
|
|
|
case chunkenc.ValFloatHistogram:
|
|
eFH, aFH := eS.FH(), aS.FH()
|
|
if aFH.CounterResetHint == histogram.UnknownCounterReset && aFH.CounterResetHint != histogram.GaugeType {
|
|
eFH = eFH.Copy()
|
|
// It is always safe to set the counter reset hint to UnknownCounterReset
|
|
eFH.CounterResetHint = histogram.UnknownCounterReset
|
|
eS = sample{t: eS.T(), fh: eFH}
|
|
}
|
|
require.Equal(t, eFH, aFH, "float histogram sample %d in series %q differs", i, key)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestChunkQuerierReadWriteRace looks for any possible race between appending
|
|
// samples and reading chunks because the head chunk that is being appended to
|
|
// can be read in parallel and we should be able to make a copy of the chunk without
|
|
// worrying about the parallel write.
|
|
func TestChunkQuerierReadWriteRace(t *testing.T) {
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
lbls := labels.FromStrings("foo", "bar")
|
|
|
|
writer := func() error {
|
|
<-time.After(5 * time.Millisecond) // Initial pause while readers start.
|
|
ts := 0
|
|
for i := 0; i < 500; i++ {
|
|
app := db.Appender(context.Background())
|
|
for j := 0; j < 10; j++ {
|
|
ts++
|
|
_, err := app.Append(0, lbls, int64(ts), float64(ts*100))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
err := app.Commit()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
<-time.After(time.Millisecond)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
reader := func() {
|
|
querier, err := db.ChunkQuerier(math.MinInt64, math.MaxInt64)
|
|
require.NoError(t, err)
|
|
defer func(q storage.ChunkQuerier) {
|
|
require.NoError(t, q.Close())
|
|
}(querier)
|
|
ss := querier.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
|
|
for ss.Next() {
|
|
cs := ss.At()
|
|
it := cs.Iterator(nil)
|
|
for it.Next() {
|
|
m := it.At()
|
|
b := m.Chunk.Bytes()
|
|
bb := make([]byte, len(b))
|
|
copy(bb, b) // This copying of chunk bytes detects any race.
|
|
}
|
|
}
|
|
require.NoError(t, ss.Err())
|
|
}
|
|
|
|
ch := make(chan struct{})
|
|
var writerErr error
|
|
go func() {
|
|
defer close(ch)
|
|
writerErr = writer()
|
|
}()
|
|
|
|
Outer:
|
|
for {
|
|
reader()
|
|
select {
|
|
case <-ch:
|
|
break Outer
|
|
default:
|
|
}
|
|
}
|
|
|
|
require.NoError(t, writerErr)
|
|
}
|
|
|
|
type mockCompactorFn struct {
|
|
planFn func() ([]string, error)
|
|
compactFn func() ([]ulid.ULID, error)
|
|
writeFn func() ([]ulid.ULID, error)
|
|
}
|
|
|
|
func (c *mockCompactorFn) Plan(_ string) ([]string, error) {
|
|
return c.planFn()
|
|
}
|
|
|
|
func (c *mockCompactorFn) Compact(_ string, _ []string, _ []*Block) ([]ulid.ULID, error) {
|
|
return c.compactFn()
|
|
}
|
|
|
|
func (c *mockCompactorFn) Write(_ string, _ BlockReader, _, _ int64, _ *BlockMeta) ([]ulid.ULID, error) {
|
|
return c.writeFn()
|
|
}
|
|
|
|
// Regression test for https://github.com/prometheus/prometheus/pull/13754
|
|
func TestAbortBlockCompactions(t *testing.T) {
|
|
// Create a test DB
|
|
db := openTestDB(t, nil, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
// It should NOT be compactable at the beginning of the test
|
|
require.False(t, db.head.compactable(), "head should NOT be compactable")
|
|
|
|
// Track the number of compactions run inside db.compactBlocks()
|
|
var compactions int
|
|
|
|
// Use a mock compactor with custom Plan() implementation
|
|
db.compactor = &mockCompactorFn{
|
|
planFn: func() ([]string, error) {
|
|
// On every Plan() run increment compactions. After 4 compactions
|
|
// update HEAD to make it compactable to force an exit from db.compactBlocks() loop.
|
|
compactions++
|
|
if compactions > 3 {
|
|
chunkRange := db.head.chunkRange.Load()
|
|
db.head.minTime.Store(0)
|
|
db.head.maxTime.Store(chunkRange * 2)
|
|
require.True(t, db.head.compactable(), "head should be compactable")
|
|
}
|
|
// Our custom Plan() will always return something to compact.
|
|
return []string{"1", "2", "3"}, nil
|
|
},
|
|
compactFn: func() ([]ulid.ULID, error) {
|
|
return []ulid.ULID{}, nil
|
|
},
|
|
writeFn: func() ([]ulid.ULID, error) {
|
|
return []ulid.ULID{}, nil
|
|
},
|
|
}
|
|
|
|
err := db.Compact(context.Background())
|
|
require.NoError(t, err)
|
|
require.True(t, db.head.compactable(), "head should be compactable")
|
|
require.Equal(t, 4, compactions, "expected 4 compactions to be completed")
|
|
}
|
|
|
|
func TestNewCompactorFunc(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
block1 := ulid.MustNew(1, nil)
|
|
block2 := ulid.MustNew(2, nil)
|
|
opts.NewCompactorFunc = func(ctx context.Context, r prometheus.Registerer, l log.Logger, ranges []int64, pool chunkenc.Pool, opts *Options) (Compactor, error) {
|
|
return &mockCompactorFn{
|
|
planFn: func() ([]string, error) {
|
|
return []string{block1.String(), block2.String()}, nil
|
|
},
|
|
compactFn: func() ([]ulid.ULID, error) {
|
|
return []ulid.ULID{block1}, nil
|
|
},
|
|
writeFn: func() ([]ulid.ULID, error) {
|
|
return []ulid.ULID{block2}, nil
|
|
},
|
|
}, nil
|
|
}
|
|
db := openTestDB(t, opts, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
plans, err := db.compactor.Plan("")
|
|
require.NoError(t, err)
|
|
require.Equal(t, []string{block1.String(), block2.String()}, plans)
|
|
ulids, err := db.compactor.Compact("", nil, nil)
|
|
require.NoError(t, err)
|
|
require.Len(t, ulids, 1)
|
|
require.Equal(t, block1, ulids[0])
|
|
ulids, err = db.compactor.Write("", nil, 0, 1, nil)
|
|
require.NoError(t, err)
|
|
require.Len(t, ulids, 1)
|
|
require.Equal(t, block2, ulids[0])
|
|
}
|
|
|
|
func TestBlockQuerierAndBlockChunkQuerier(t *testing.T) {
|
|
opts := DefaultOptions()
|
|
opts.BlockQuerierFunc = func(b BlockReader, mint, maxt int64) (storage.Querier, error) {
|
|
// Only block with hints can be queried.
|
|
if len(b.Meta().Compaction.Hints) > 0 {
|
|
return NewBlockQuerier(b, mint, maxt)
|
|
}
|
|
return storage.NoopQuerier(), nil
|
|
}
|
|
opts.BlockChunkQuerierFunc = func(b BlockReader, mint, maxt int64) (storage.ChunkQuerier, error) {
|
|
// Only level 4 compaction block can be queried.
|
|
if b.Meta().Compaction.Level == 4 {
|
|
return NewBlockChunkQuerier(b, mint, maxt)
|
|
}
|
|
return storage.NoopChunkedQuerier(), nil
|
|
}
|
|
|
|
db := openTestDB(t, opts, nil)
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
|
|
metas := []BlockMeta{
|
|
{Compaction: BlockMetaCompaction{Hints: []string{"test-hint"}}},
|
|
{Compaction: BlockMetaCompaction{Level: 4}},
|
|
}
|
|
for i := range metas {
|
|
// Include blockID into series to identify which block got touched.
|
|
serieses := []storage.Series{storage.NewListSeries(labels.FromMap(map[string]string{"block": fmt.Sprintf("block-%d", i), labels.MetricName: "test_metric"}), []chunks.Sample{sample{t: 0, f: 1}})}
|
|
blockDir := createBlock(t, db.Dir(), serieses)
|
|
b, err := OpenBlock(db.logger, blockDir, db.chunkPool)
|
|
require.NoError(t, err)
|
|
|
|
// Overwrite meta.json with compaction section for testing purpose.
|
|
b.meta.Compaction = metas[i].Compaction
|
|
_, err = writeMetaFile(db.logger, blockDir, &b.meta)
|
|
require.NoError(t, err)
|
|
require.NoError(t, b.Close())
|
|
}
|
|
require.NoError(t, db.reloadBlocks())
|
|
require.Len(t, db.Blocks(), 2)
|
|
|
|
querier, err := db.Querier(0, 500)
|
|
require.NoError(t, err)
|
|
defer querier.Close()
|
|
matcher := labels.MustNewMatcher(labels.MatchEqual, labels.MetricName, "test_metric")
|
|
seriesSet := querier.Select(context.Background(), false, nil, matcher)
|
|
count := 0
|
|
var lbls labels.Labels
|
|
for seriesSet.Next() {
|
|
count++
|
|
lbls = seriesSet.At().Labels()
|
|
}
|
|
require.NoError(t, seriesSet.Err())
|
|
require.Equal(t, 1, count)
|
|
// Make sure only block-0 is queried.
|
|
require.Equal(t, "block-0", lbls.Get("block"))
|
|
|
|
chunkQuerier, err := db.ChunkQuerier(0, 500)
|
|
require.NoError(t, err)
|
|
defer chunkQuerier.Close()
|
|
css := chunkQuerier.Select(context.Background(), false, nil, matcher)
|
|
count = 0
|
|
// Reset lbls variable.
|
|
lbls = labels.EmptyLabels()
|
|
for css.Next() {
|
|
count++
|
|
lbls = css.At().Labels()
|
|
}
|
|
require.NoError(t, css.Err())
|
|
require.Equal(t, 1, count)
|
|
// Make sure only block-1 is queried.
|
|
require.Equal(t, "block-1", lbls.Get("block"))
|
|
}
|
|
|
|
func TestGenerateCompactionDelay(t *testing.T) {
|
|
assertDelay := func(delay time.Duration) {
|
|
t.Helper()
|
|
require.GreaterOrEqual(t, delay, time.Duration(0))
|
|
// Less than 10% of the chunkRange.
|
|
require.LessOrEqual(t, delay, 6000*time.Millisecond)
|
|
}
|
|
|
|
opts := DefaultOptions()
|
|
opts.EnableDelayedCompaction = true
|
|
db := openTestDB(t, opts, []int64{60000})
|
|
defer func() {
|
|
require.NoError(t, db.Close())
|
|
}()
|
|
// The offset is generated and changed while opening.
|
|
assertDelay(db.opts.CompactionDelay)
|
|
|
|
for i := 0; i < 1000; i++ {
|
|
assertDelay(db.generateCompactionDelay())
|
|
}
|
|
}
|