mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-24 21:24:05 -08:00
6ac81cc7a9
Currently a time series with empty labels is not treated the same as one with missing labels. Currently this can only come from ALERTS&ALERT_FOR_STATE so it's unlikely anyone has actually hit it. Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
2194 lines
64 KiB
Go
2194 lines
64 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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"fmt"
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"io/ioutil"
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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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"sort"
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"testing"
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"time"
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"github.com/go-kit/kit/log"
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"github.com/oklog/ulid"
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"github.com/pkg/errors"
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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/prometheus/tsdb/chunks"
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"github.com/prometheus/tsdb/index"
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"github.com/prometheus/tsdb/labels"
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"github.com/prometheus/tsdb/testutil"
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"github.com/prometheus/tsdb/tsdbutil"
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"github.com/prometheus/tsdb/wal"
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)
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func openTestDB(t testing.TB, opts *Options) (db *DB, close func()) {
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tmpdir, err := ioutil.TempDir("", "test")
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testutil.Ok(t, err)
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db, err = Open(tmpdir, nil, nil, opts)
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testutil.Ok(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, func() {
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testutil.Ok(t, os.RemoveAll(tmpdir))
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}
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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 Querier, matchers ...labels.Matcher) map[string][]tsdbutil.Sample {
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ss, err := q.Select(matchers...)
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defer func() {
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testutil.Ok(t, q.Close())
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}()
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testutil.Ok(t, err)
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result := map[string][]tsdbutil.Sample{}
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for ss.Next() {
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series := ss.At()
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samples := []tsdbutil.Sample{}
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it := series.Iterator()
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for it.Next() {
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t, v := it.At()
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samples = append(samples, sample{t: t, v: v})
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}
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testutil.Ok(t, it.Err())
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name := series.Labels().String()
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result[name] = samples
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}
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testutil.Ok(t, ss.Err())
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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, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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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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testutil.Ok(t, db.reload())
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blocks := db.Blocks()
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for _, b := range blocks {
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b.meta.Stats.NumBytes = 0
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}
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testutil.Equals(t, 3, len(blocks))
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testutil.Equals(t, metas[1].MinTime, blocks[0].Meta().MinTime)
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testutil.Equals(t, metas[1].MaxTime, blocks[0].Meta().MaxTime)
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testutil.Equals(t, metas[0].MinTime, blocks[1].Meta().MinTime)
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testutil.Equals(t, metas[0].MaxTime, blocks[1].Meta().MaxTime)
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testutil.Equals(t, metas[2].MinTime, blocks[2].Meta().MinTime)
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testutil.Equals(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, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app := db.Appender()
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_, err := app.Add(labels.FromStrings("foo", "bar"), 0, 0)
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testutil.Ok(t, err)
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querier, err := db.Querier(0, 1)
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testutil.Ok(t, err)
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seriesSet := query(t, querier, labels.NewEqualMatcher("foo", "bar"))
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testutil.Equals(t, map[string][]tsdbutil.Sample{}, seriesSet)
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err = app.Commit()
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testutil.Ok(t, err)
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querier, err = db.Querier(0, 1)
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testutil.Ok(t, err)
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defer querier.Close()
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seriesSet = query(t, querier, labels.NewEqualMatcher("foo", "bar"))
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testutil.Equals(t, map[string][]tsdbutil.Sample{`{foo="bar"}`: {sample{t: 0, v: 0}}}, seriesSet)
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}
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func TestDataNotAvailableAfterRollback(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app := db.Appender()
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_, err := app.Add(labels.FromStrings("foo", "bar"), 0, 0)
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testutil.Ok(t, err)
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err = app.Rollback()
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testutil.Ok(t, err)
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querier, err := db.Querier(0, 1)
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testutil.Ok(t, err)
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defer querier.Close()
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seriesSet := query(t, querier, labels.NewEqualMatcher("foo", "bar"))
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testutil.Equals(t, map[string][]tsdbutil.Sample{}, seriesSet)
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}
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func TestDBAppenderAddRef(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app1 := db.Appender()
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ref1, err := app1.Add(labels.FromStrings("a", "b"), 123, 0)
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testutil.Ok(t, err)
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// Reference should already work before commit.
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err = app1.AddFast(ref1, 124, 1)
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testutil.Ok(t, err)
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err = app1.Commit()
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testutil.Ok(t, err)
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app2 := db.Appender()
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// first ref should already work in next transaction.
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err = app2.AddFast(ref1, 125, 0)
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testutil.Ok(t, err)
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ref2, err := app2.Add(labels.FromStrings("a", "b"), 133, 1)
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testutil.Ok(t, err)
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testutil.Assert(t, ref1 == ref2, "")
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// Reference must be valid to add another sample.
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err = app2.AddFast(ref2, 143, 2)
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testutil.Ok(t, err)
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err = app2.AddFast(9999999, 1, 1)
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testutil.Equals(t, ErrNotFound, errors.Cause(err))
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testutil.Ok(t, app2.Commit())
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q, err := db.Querier(0, 200)
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testutil.Ok(t, err)
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res := query(t, q, labels.NewEqualMatcher("a", "b"))
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testutil.Equals(t, map[string][]tsdbutil.Sample{
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labels.FromStrings("a", "b").String(): {
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sample{t: 123, v: 0},
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sample{t: 124, v: 1},
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sample{t: 125, v: 0},
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sample{t: 133, v: 1},
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sample{t: 143, v: 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, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app1 := db.Appender()
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ref1, err := app1.Add(labels.FromStrings("a", "b"), 123, 0)
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testutil.Ok(t, err)
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// Construct labels manually so there is an empty label.
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ref2, err := app1.Add(labels.Labels{labels.Label{"a", "b"}, labels.Label{"c", ""}}, 124, 0)
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testutil.Ok(t, err)
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// Should be the same series.
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testutil.Equals(t, ref1, ref2)
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err = app1.Commit()
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testutil.Ok(t, err)
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}
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func TestDeleteSimple(t *testing.T) {
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numSamples := int64(10)
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cases := []struct {
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intervals Intervals
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remaint []int64
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}{
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{
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intervals: Intervals{{0, 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: Intervals{{1, 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: Intervals{{1, 3}, {4, 7}},
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remaint: []int64{0, 8, 9},
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},
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{
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intervals: Intervals{{1, 3}, {4, 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: Intervals{{0, 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, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app := db.Appender()
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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.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
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}
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testutil.Ok(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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testutil.Ok(t, db.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("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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testutil.Ok(t, err)
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res, err := q.Select(labels.NewEqualMatcher("a", "b"))
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testutil.Ok(t, err)
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expSamples := make([]tsdbutil.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]})
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}
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expss := newMockSeriesSet([]Series{
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newSeries(map[string]string{"a": "b"}, expSamples),
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})
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lns, err := q.LabelNames()
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testutil.Ok(t, err)
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lvs, err := q.LabelValues("a")
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testutil.Ok(t, err)
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if len(expSamples) == 0 {
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testutil.Equals(t, 0, len(lns))
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testutil.Equals(t, 0, len(lvs))
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testutil.Assert(t, res.Next() == false, "")
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continue
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} else {
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testutil.Equals(t, 1, len(lns))
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testutil.Equals(t, 1, len(lvs))
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testutil.Equals(t, "a", lns[0])
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testutil.Equals(t, "b", lvs[0])
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}
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for {
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eok, rok := expss.Next(), res.Next()
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testutil.Equals(t, eok, rok)
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if !eok {
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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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testutil.Equals(t, sexp.Labels(), sres.Labels())
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smplExp, errExp := expandSeriesIterator(sexp.Iterator())
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smplRes, errRes := expandSeriesIterator(sres.Iterator())
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testutil.Equals(t, errExp, errRes)
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testutil.Equals(t, smplExp, smplRes)
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}
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}
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}
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func TestAmendDatapointCausesError(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app := db.Appender()
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_, err := app.Add(labels.Labels{}, 0, 0)
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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app = db.Appender()
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_, err = app.Add(labels.Labels{}, 0, 1)
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testutil.Equals(t, ErrAmendSample, err)
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testutil.Ok(t, app.Rollback())
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}
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func TestDuplicateNaNDatapointNoAmendError(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app := db.Appender()
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_, err := app.Add(labels.Labels{}, 0, math.NaN())
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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app = db.Appender()
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_, err = app.Add(labels.Labels{}, 0, math.NaN())
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testutil.Ok(t, err)
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}
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func TestNonDuplicateNaNDatapointsCausesAmendError(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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app := db.Appender()
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_, err := app.Add(labels.Labels{}, 0, math.Float64frombits(0x7ff0000000000001))
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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app = db.Appender()
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_, err = app.Add(labels.Labels{}, 0, math.Float64frombits(0x7ff0000000000002))
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testutil.Equals(t, ErrAmendSample, err)
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}
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func TestSkippingInvalidValuesInSameTxn(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer func() {
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testutil.Ok(t, db.Close())
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delete()
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}()
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// Append AmendedValue.
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app := db.Appender()
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_, err := app.Add(labels.Labels{{"a", "b"}}, 0, 1)
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testutil.Ok(t, err)
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_, err = app.Add(labels.Labels{{"a", "b"}}, 0, 2)
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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// Make sure the right value is stored.
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q, err := db.Querier(0, 10)
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testutil.Ok(t, err)
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ssMap := query(t, q, labels.NewEqualMatcher("a", "b"))
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testutil.Equals(t, map[string][]tsdbutil.Sample{
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labels.New(labels.Label{"a", "b"}).String(): {sample{0, 1}},
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}, ssMap)
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// Append Out of Order Value.
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app = db.Appender()
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_, err = app.Add(labels.Labels{{"a", "b"}}, 10, 3)
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testutil.Ok(t, err)
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_, err = app.Add(labels.Labels{{"a", "b"}}, 7, 5)
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testutil.Ok(t, err)
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testutil.Ok(t, app.Commit())
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q, err = db.Querier(0, 10)
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testutil.Ok(t, err)
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ssMap = query(t, q, labels.NewEqualMatcher("a", "b"))
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testutil.Equals(t, map[string][]tsdbutil.Sample{
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labels.New(labels.Label{"a", "b"}).String(): {sample{0, 1}, sample{10, 3}},
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}, ssMap)
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}
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|
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func TestDB_Snapshot(t *testing.T) {
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db, delete := openTestDB(t, nil)
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defer delete()
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|
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// append data
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app := db.Appender()
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mint := int64(1414141414000)
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for i := 0; i < 1000; i++ {
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_, err := app.Add(labels.FromStrings("foo", "bar"), mint+int64(i), 1.0)
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testutil.Ok(t, err)
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}
|
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testutil.Ok(t, app.Commit())
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testutil.Ok(t, app.Rollback())
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|
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// create snapshot
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snap, err := ioutil.TempDir("", "snap")
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testutil.Ok(t, err)
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|
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defer func() {
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testutil.Ok(t, os.RemoveAll(snap))
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}()
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testutil.Ok(t, db.Snapshot(snap, true))
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testutil.Ok(t, db.Close())
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|
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// reopen DB from snapshot
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db, err = Open(snap, nil, nil, nil)
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testutil.Ok(t, err)
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defer func() { testutil.Ok(t, db.Close()) }()
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|
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querier, err := db.Querier(mint, mint+1000)
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testutil.Ok(t, err)
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defer func() { testutil.Ok(t, querier.Close()) }()
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|
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// sum values
|
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seriesSet, err := querier.Select(labels.NewEqualMatcher("foo", "bar"))
|
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testutil.Ok(t, err)
|
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|
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sum := 0.0
|
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for seriesSet.Next() {
|
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series := seriesSet.At().Iterator()
|
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for series.Next() {
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_, v := series.At()
|
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sum += v
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}
|
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testutil.Ok(t, series.Err())
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}
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testutil.Ok(t, seriesSet.Err())
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testutil.Equals(t, 1000.0, sum)
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}
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|
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func TestDB_SnapshotWithDelete(t *testing.T) {
|
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numSamples := int64(10)
|
|
|
|
db, delete := openTestDB(t, nil)
|
|
defer delete()
|
|
|
|
app := db.Appender()
|
|
|
|
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.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
|
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}
|
|
|
|
testutil.Ok(t, app.Commit())
|
|
cases := []struct {
|
|
intervals Intervals
|
|
remaint []int64
|
|
}{
|
|
{
|
|
intervals: Intervals{{1, 3}, {4, 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 {
|
|
testutil.Ok(t, db.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("a", "b")))
|
|
}
|
|
|
|
// create snapshot
|
|
snap, err := ioutil.TempDir("", "snap")
|
|
testutil.Ok(t, err)
|
|
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(snap))
|
|
}()
|
|
testutil.Ok(t, db.Snapshot(snap, true))
|
|
testutil.Ok(t, db.Close())
|
|
|
|
// reopen DB from snapshot
|
|
db, err = Open(snap, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer func() { testutil.Ok(t, db.Close()) }()
|
|
|
|
// Compare the result.
|
|
q, err := db.Querier(0, numSamples)
|
|
testutil.Ok(t, err)
|
|
defer func() { testutil.Ok(t, q.Close()) }()
|
|
|
|
res, err := q.Select(labels.NewEqualMatcher("a", "b"))
|
|
testutil.Ok(t, err)
|
|
|
|
expSamples := make([]tsdbutil.Sample, 0, len(c.remaint))
|
|
for _, ts := range c.remaint {
|
|
expSamples = append(expSamples, sample{ts, smpls[ts]})
|
|
}
|
|
|
|
expss := newMockSeriesSet([]Series{
|
|
newSeries(map[string]string{"a": "b"}, expSamples),
|
|
})
|
|
|
|
if len(expSamples) == 0 {
|
|
testutil.Assert(t, res.Next() == false, "")
|
|
continue
|
|
}
|
|
|
|
for {
|
|
eok, rok := expss.Next(), res.Next()
|
|
testutil.Equals(t, eok, rok)
|
|
|
|
if !eok {
|
|
continue Outer
|
|
}
|
|
sexp := expss.At()
|
|
sres := res.At()
|
|
|
|
testutil.Equals(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := expandSeriesIterator(sexp.Iterator())
|
|
smplRes, errRes := expandSeriesIterator(sres.Iterator())
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(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{
|
|
{
|
|
{"a", "b"},
|
|
{"instance", "localhost:9090"},
|
|
{"job", "prometheus"},
|
|
},
|
|
{
|
|
{"a", "b"},
|
|
{"instance", "127.0.0.1:9090"},
|
|
{"job", "prometheus"},
|
|
},
|
|
{
|
|
{"a", "b"},
|
|
{"instance", "127.0.0.1:9090"},
|
|
{"job", "prom-k8s"},
|
|
},
|
|
{
|
|
{"a", "b"},
|
|
{"instance", "localhost:9090"},
|
|
{"job", "prom-k8s"},
|
|
},
|
|
{
|
|
{"a", "c"},
|
|
{"instance", "localhost:9090"},
|
|
{"job", "prometheus"},
|
|
},
|
|
{
|
|
{"a", "c"},
|
|
{"instance", "127.0.0.1:9090"},
|
|
{"job", "prometheus"},
|
|
},
|
|
{
|
|
{"a", "c"},
|
|
{"instance", "127.0.0.1:9090"},
|
|
{"job", "prom-k8s"},
|
|
},
|
|
{
|
|
{"a", "c"},
|
|
{"instance", "localhost:9090"},
|
|
{"job", "prom-k8s"},
|
|
},
|
|
}
|
|
|
|
seriesMap := map[string][]tsdbutil.Sample{}
|
|
for _, l := range lbls {
|
|
seriesMap[labels.New(l...).String()] = []tsdbutil.Sample{}
|
|
}
|
|
|
|
db, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
app := db.Appender()
|
|
|
|
for _, l := range lbls {
|
|
lset := labels.New(l...)
|
|
series := []tsdbutil.Sample{}
|
|
|
|
ts := rand.Int63n(300)
|
|
for i := 0; i < numDatapoints; i++ {
|
|
v := rand.Float64()
|
|
|
|
series = append(series, sample{ts, v})
|
|
|
|
_, err := app.Add(lset, ts, v)
|
|
testutil.Ok(t, err)
|
|
|
|
ts += rand.Int63n(timeInterval) + 1
|
|
}
|
|
|
|
seriesMap[lset.String()] = series
|
|
}
|
|
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
// Query each selector on 1000 random time-ranges.
|
|
queries := []struct {
|
|
ms []labels.Matcher
|
|
}{
|
|
{
|
|
ms: []labels.Matcher{labels.NewEqualMatcher("a", "b")},
|
|
},
|
|
{
|
|
ms: []labels.Matcher{
|
|
labels.NewEqualMatcher("a", "b"),
|
|
labels.NewEqualMatcher("job", "prom-k8s"),
|
|
},
|
|
},
|
|
{
|
|
ms: []labels.Matcher{
|
|
labels.NewEqualMatcher("a", "c"),
|
|
labels.NewEqualMatcher("instance", "localhost:9090"),
|
|
labels.NewEqualMatcher("job", "prometheus"),
|
|
},
|
|
},
|
|
// TODO: Add Regexp Matchers.
|
|
}
|
|
|
|
for _, qry := range queries {
|
|
matched := labels.Slice{}
|
|
for _, ls := range lbls {
|
|
s := labels.Selector(qry.ms)
|
|
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][]tsdbutil.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)
|
|
testutil.Ok(t, err)
|
|
|
|
ss, err := q.Select(qry.ms...)
|
|
testutil.Ok(t, err)
|
|
|
|
result := map[string][]tsdbutil.Sample{}
|
|
|
|
for ss.Next() {
|
|
x := ss.At()
|
|
|
|
smpls, err := expandSeriesIterator(x.Iterator())
|
|
testutil.Ok(t, err)
|
|
|
|
if len(smpls) > 0 {
|
|
result[x.Labels().String()] = smpls
|
|
}
|
|
}
|
|
|
|
testutil.Ok(t, ss.Err())
|
|
testutil.Equals(t, expected, result)
|
|
|
|
q.Close()
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWALFlushedOnDBClose(t *testing.T) {
|
|
db, delete := openTestDB(t, nil)
|
|
defer delete()
|
|
|
|
dirDb := db.Dir()
|
|
|
|
lbls := labels.Labels{labels.Label{Name: "labelname", Value: "labelvalue"}}
|
|
|
|
app := db.Appender()
|
|
_, err := app.Add(lbls, 0, 1)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
testutil.Ok(t, db.Close())
|
|
|
|
db, err = Open(dirDb, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer func() { testutil.Ok(t, db.Close()) }()
|
|
|
|
q, err := db.Querier(0, 1)
|
|
testutil.Ok(t, err)
|
|
|
|
values, err := q.LabelValues("labelname")
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(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) {
|
|
files, err := ioutil.ReadDir(filepath.Join(dbDir, "wal"))
|
|
testutil.Ok(t, err)
|
|
for _, f := range files[:len(files)-1] {
|
|
testutil.Equals(t, int64(DefaultOptions.WALSegmentSize), f.Size(), "WAL file size doesn't match WALSegmentSize option, filename: %v", f.Name())
|
|
}
|
|
lastFile := files[len(files)-1]
|
|
testutil.Assert(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) {
|
|
files, err := ioutil.ReadDir(filepath.Join(dbDir, "wal"))
|
|
testutil.Assert(t, len(files) > 1, "current WALSegmentSize should result in more than a single WAL file.")
|
|
testutil.Ok(t, err)
|
|
for _, f := range files[:len(files)-1] {
|
|
testutil.Equals(t, int64(segmentSize), f.Size(), "WAL file size doesn't match WALSegmentSize option, filename: %v", f.Name())
|
|
}
|
|
lastFile := files[len(files)-1]
|
|
testutil.Assert(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) {
|
|
if _, err := os.Stat(filepath.Join(dbDir, "wal")); !os.IsNotExist(err) {
|
|
t.Fatal("wal directory is present when the wal is disabled")
|
|
}
|
|
},
|
|
}
|
|
for segmentSize, testFunc := range tests {
|
|
t.Run(fmt.Sprintf("WALSegmentSize %d test", segmentSize), func(t *testing.T) {
|
|
options := *DefaultOptions
|
|
options.WALSegmentSize = segmentSize
|
|
db, delete := openTestDB(t, &options)
|
|
defer delete()
|
|
app := db.Appender()
|
|
for i := int64(0); i < 155; i++ {
|
|
_, err := app.Add(labels.Labels{labels.Label{Name: "wal", Value: "size"}}, i, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
}
|
|
|
|
dbDir := db.Dir()
|
|
db.Close()
|
|
testFunc(dbDir, options.WALSegmentSize)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestTombstoneClean(t *testing.T) {
|
|
numSamples := int64(10)
|
|
|
|
db, delete := openTestDB(t, nil)
|
|
defer delete()
|
|
|
|
app := db.Appender()
|
|
|
|
smpls := make([]float64, numSamples)
|
|
for i := int64(0); i < numSamples; i++ {
|
|
smpls[i] = rand.Float64()
|
|
app.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
|
|
}
|
|
|
|
testutil.Ok(t, app.Commit())
|
|
cases := []struct {
|
|
intervals Intervals
|
|
remaint []int64
|
|
}{
|
|
{
|
|
intervals: Intervals{{1, 3}, {4, 7}},
|
|
remaint: []int64{0, 8, 9},
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
// Delete the ranges.
|
|
|
|
// create snapshot
|
|
snap, err := ioutil.TempDir("", "snap")
|
|
testutil.Ok(t, err)
|
|
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(snap))
|
|
}()
|
|
testutil.Ok(t, db.Snapshot(snap, true))
|
|
testutil.Ok(t, db.Close())
|
|
|
|
// reopen DB from snapshot
|
|
db, err = Open(snap, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
for _, r := range c.intervals {
|
|
testutil.Ok(t, db.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("a", "b")))
|
|
}
|
|
|
|
// All of the setup for THIS line.
|
|
testutil.Ok(t, db.CleanTombstones())
|
|
|
|
// Compare the result.
|
|
q, err := db.Querier(0, numSamples)
|
|
testutil.Ok(t, err)
|
|
defer q.Close()
|
|
|
|
res, err := q.Select(labels.NewEqualMatcher("a", "b"))
|
|
testutil.Ok(t, err)
|
|
|
|
expSamples := make([]tsdbutil.Sample, 0, len(c.remaint))
|
|
for _, ts := range c.remaint {
|
|
expSamples = append(expSamples, sample{ts, smpls[ts]})
|
|
}
|
|
|
|
expss := newMockSeriesSet([]Series{
|
|
newSeries(map[string]string{"a": "b"}, expSamples),
|
|
})
|
|
|
|
if len(expSamples) == 0 {
|
|
testutil.Assert(t, res.Next() == false, "")
|
|
continue
|
|
}
|
|
|
|
for {
|
|
eok, rok := expss.Next(), res.Next()
|
|
testutil.Equals(t, eok, rok)
|
|
|
|
if !eok {
|
|
break
|
|
}
|
|
sexp := expss.At()
|
|
sres := res.At()
|
|
|
|
testutil.Equals(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := expandSeriesIterator(sexp.Iterator())
|
|
smplRes, errRes := expandSeriesIterator(sres.Iterator())
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
|
|
for _, b := range db.Blocks() {
|
|
testutil.Equals(t, newMemTombstones(), b.tombstones)
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
var expectedBlockDirs []string
|
|
|
|
// Create some empty 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, 0, 0))
|
|
block, err := OpenBlock(nil, blockDir, nil)
|
|
testutil.Ok(t, err)
|
|
// Add some some fake tombstones to trigger the compaction.
|
|
tomb := newMemTombstones()
|
|
tomb.addInterval(0, Interval{0, 1})
|
|
block.tombstones = tomb
|
|
|
|
db.blocks = append(db.blocks, block)
|
|
expectedBlockDirs = append(expectedBlockDirs, 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.
|
|
testutil.NotOk(t, db.CleanTombstones())
|
|
|
|
// Now check that the CleanTombstones didn't leave any blocks behind after a failure.
|
|
actualBlockDirs, err := blockDirs(db.dir)
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, expectedBlockDirs, actualBlockDirs)
|
|
}
|
|
|
|
// mockCompactorFailing creates a new empty block on every write and fails when reached the max allowed total.
|
|
type mockCompactorFailing struct {
|
|
t *testing.T
|
|
blocks []*Block
|
|
max int
|
|
}
|
|
|
|
func (*mockCompactorFailing) Plan(dir string) ([]string, error) {
|
|
return nil, nil
|
|
}
|
|
func (c *mockCompactorFailing) Write(dest string, b BlockReader, mint, maxt int64, parent *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, 0)), nil)
|
|
testutil.Ok(c.t, err)
|
|
testutil.Ok(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 the 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)
|
|
testutil.Ok(c.t, err)
|
|
|
|
testutil.Equals(c.t, expectedBlocks, actualBlockDirs)
|
|
|
|
return block.Meta().ULID, nil
|
|
}
|
|
|
|
func (*mockCompactorFailing) Compact(dest string, dirs []string, open []*Block) (ulid.ULID, error) {
|
|
return ulid.ULID{}, nil
|
|
|
|
}
|
|
|
|
func TestTimeRetention(t *testing.T) {
|
|
db, delete := openTestDB(t, &Options{
|
|
BlockRanges: []int64{1000},
|
|
})
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
blocks := []*BlockMeta{
|
|
{MinTime: 500, MaxTime: 900}, // Oldest block
|
|
{MinTime: 1000, MaxTime: 1500},
|
|
{MinTime: 1500, MaxTime: 2000}, // Newest Block
|
|
}
|
|
|
|
for _, m := range blocks {
|
|
createBlock(t, db.Dir(), genSeries(10, 10, m.MinTime, m.MaxTime))
|
|
}
|
|
|
|
testutil.Ok(t, db.reload()) // Reload the db to register the new blocks.
|
|
testutil.Equals(t, len(blocks), len(db.Blocks())) // Ensure all blocks are registered.
|
|
|
|
db.opts.RetentionDuration = uint64(blocks[2].MaxTime - blocks[1].MinTime)
|
|
testutil.Ok(t, db.reload())
|
|
|
|
expBlocks := blocks[1:]
|
|
actBlocks := db.Blocks()
|
|
|
|
testutil.Equals(t, 1, int(prom_testutil.ToFloat64(db.metrics.timeRetentionCount)), "metric retention count mismatch")
|
|
testutil.Equals(t, len(expBlocks), len(actBlocks))
|
|
testutil.Equals(t, expBlocks[0].MaxTime, actBlocks[0].meta.MaxTime)
|
|
testutil.Equals(t, expBlocks[len(expBlocks)-1].MaxTime, actBlocks[len(actBlocks)-1].meta.MaxTime)
|
|
}
|
|
|
|
func TestSizeRetention(t *testing.T) {
|
|
db, delete := openTestDB(t, &Options{
|
|
BlockRanges: []int64{100},
|
|
})
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
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))
|
|
}
|
|
|
|
// Test that registered size matches the actual disk size.
|
|
testutil.Ok(t, db.reload()) // Reload the db to register the new db size.
|
|
testutil.Equals(t, len(blocks), len(db.Blocks())) // Ensure all blocks are registered.
|
|
expSize := int64(prom_testutil.ToFloat64(db.metrics.blocksBytes)) // Use the the actual internal metrics.
|
|
actSize := dbDiskSize(db.Dir())
|
|
testutil.Equals(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.
|
|
testutil.Ok(t, db.reload()) // Reload the db to register the new db size.
|
|
|
|
expBlocks := blocks[1:]
|
|
actBlocks := db.Blocks()
|
|
expSize = int64(prom_testutil.ToFloat64(db.metrics.blocksBytes))
|
|
actRetentCount := int(prom_testutil.ToFloat64(db.metrics.sizeRetentionCount))
|
|
actSize = dbDiskSize(db.Dir())
|
|
|
|
testutil.Equals(t, 1, actRetentCount, "metric retention count mismatch")
|
|
testutil.Equals(t, actSize, expSize, "metric db size doesn't match actual disk size")
|
|
testutil.Assert(t, expSize <= sizeLimit, "actual size (%v) is expected to be less than or equal to limit (%v)", expSize, sizeLimit)
|
|
testutil.Equals(t, len(blocks)-1, len(actBlocks), "new block count should be decreased from:%v to:%v", len(blocks), len(blocks)-1)
|
|
testutil.Equals(t, expBlocks[0].MaxTime, actBlocks[0].meta.MaxTime, "maxT mismatch of the first block")
|
|
testutil.Equals(t, expBlocks[len(expBlocks)-1].MaxTime, actBlocks[len(actBlocks)-1].meta.MaxTime, "maxT mismatch of the last block")
|
|
|
|
}
|
|
|
|
func dbDiskSize(dir string) int64 {
|
|
var statSize int64
|
|
filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
|
|
// Include only index,tombstone and chunks.
|
|
if filepath.Dir(path) == chunkDir(filepath.Dir(filepath.Dir(path))) ||
|
|
info.Name() == indexFilename ||
|
|
info.Name() == tombstoneFilename {
|
|
statSize += info.Size()
|
|
}
|
|
return nil
|
|
})
|
|
return statSize
|
|
}
|
|
|
|
func TestNotMatcherSelectsLabelsUnsetSeries(t *testing.T) {
|
|
db, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
labelpairs := []labels.Labels{
|
|
labels.FromStrings("a", "abcd", "b", "abcde"),
|
|
labels.FromStrings("labelname", "labelvalue"),
|
|
}
|
|
|
|
app := db.Appender()
|
|
for _, lbls := range labelpairs {
|
|
_, err := app.Add(lbls, 0, 1)
|
|
testutil.Ok(t, err)
|
|
}
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
cases := []struct {
|
|
selector labels.Selector
|
|
series []labels.Labels
|
|
}{{
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewEqualMatcher("lname", "lvalue")),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.NewEqualMatcher("a", "abcd"),
|
|
labels.Not(labels.NewEqualMatcher("b", "abcde")),
|
|
},
|
|
series: []labels.Labels{},
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.NewEqualMatcher("a", "abcd"),
|
|
labels.Not(labels.NewEqualMatcher("b", "abc")),
|
|
},
|
|
series: []labels.Labels{labelpairs[0]},
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("a", "abd.*")),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("a", "abc.*")),
|
|
},
|
|
series: labelpairs[1:],
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("c", "abd.*")),
|
|
},
|
|
series: labelpairs,
|
|
}, {
|
|
selector: labels.Selector{
|
|
labels.Not(labels.NewMustRegexpMatcher("labelname", "labelvalue")),
|
|
},
|
|
series: labelpairs[:1],
|
|
}}
|
|
|
|
q, err := db.Querier(0, 10)
|
|
testutil.Ok(t, err)
|
|
defer func() { testutil.Ok(t, q.Close()) }()
|
|
|
|
for _, c := range cases {
|
|
ss, err := q.Select(c.selector...)
|
|
testutil.Ok(t, err)
|
|
|
|
lres, err := expandSeriesSet(ss)
|
|
testutil.Ok(t, err)
|
|
|
|
testutil.Equals(t, c.series, lres)
|
|
}
|
|
}
|
|
|
|
func expandSeriesSet(ss SeriesSet) ([]labels.Labels, error) {
|
|
result := []labels.Labels{}
|
|
for ss.Next() {
|
|
result = append(result, ss.At().Labels())
|
|
}
|
|
|
|
return result, 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.
|
|
var metas = make([]BlockMeta, 11)
|
|
for i := 10; i >= 0; i-- {
|
|
metas[i] = BlockMeta{MinTime: int64(i * 10), MaxTime: int64((i + 1) * 10)}
|
|
}
|
|
|
|
testutil.Assert(t, len(OverlappingBlocks(metas)) == 0, "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}
|
|
testutil.Equals(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}
|
|
testutil.Equals(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}
|
|
testutil.Equals(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}
|
|
testutil.Equals(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}
|
|
testutil.Equals(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}
|
|
testutil.Equals(t, Overlaps{
|
|
{Min: 94, Max: 99}: {metas[9], o6a, o6b},
|
|
{Min: 100, Max: 105}: {o6a, metas[10]},
|
|
}, OverlappingBlocks(add(o6a, o6b)))
|
|
|
|
// All together.
|
|
testutil.Equals(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})
|
|
testutil.Equals(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, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
app := db.Appender()
|
|
|
|
blockRange := DefaultOptions.BlockRanges[0]
|
|
label := labels.FromStrings("foo", "bar")
|
|
|
|
for i := int64(0); i < 3; i++ {
|
|
_, err := app.Add(label, i*blockRange, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(label, i*blockRange+1000, 0)
|
|
testutil.Ok(t, err)
|
|
}
|
|
|
|
err := app.Commit()
|
|
testutil.Ok(t, err)
|
|
|
|
err = db.compact()
|
|
testutil.Ok(t, err)
|
|
|
|
for _, block := range db.Blocks() {
|
|
r, err := block.Index()
|
|
testutil.Ok(t, err)
|
|
defer r.Close()
|
|
|
|
meta := block.Meta()
|
|
|
|
p, err := r.Postings(index.AllPostingsKey())
|
|
testutil.Ok(t, err)
|
|
|
|
var (
|
|
lset labels.Labels
|
|
chks []chunks.Meta
|
|
)
|
|
|
|
chunkCount := 0
|
|
|
|
for p.Next() {
|
|
err = r.Series(p.At(), &lset, &chks)
|
|
testutil.Ok(t, err)
|
|
for _, c := range chks {
|
|
testutil.Assert(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++
|
|
}
|
|
}
|
|
testutil.Assert(t, chunkCount == 1, "expected 1 chunk in block %s, got %d", meta.ULID, chunkCount)
|
|
}
|
|
}
|
|
|
|
func TestQuerierWithBoundaryChunks(t *testing.T) {
|
|
db, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
app := db.Appender()
|
|
|
|
blockRange := DefaultOptions.BlockRanges[0]
|
|
label := labels.FromStrings("foo", "bar")
|
|
|
|
for i := int64(0); i < 5; i++ {
|
|
_, err := app.Add(label, i*blockRange, 0)
|
|
testutil.Ok(t, err)
|
|
}
|
|
|
|
err := app.Commit()
|
|
testutil.Ok(t, err)
|
|
|
|
err = db.compact()
|
|
testutil.Ok(t, err)
|
|
|
|
testutil.Assert(t, len(db.blocks) >= 3, "invalid test, less than three blocks in DB")
|
|
|
|
q, err := db.Querier(blockRange, 2*blockRange)
|
|
testutil.Ok(t, err)
|
|
defer q.Close()
|
|
|
|
// The requested interval covers 2 blocks, so the querier should contain 2 blocks.
|
|
count := len(q.(*querier).blocks)
|
|
testutil.Assert(t, count == 2, "expected 2 blocks in querier, got %d", count)
|
|
}
|
|
|
|
// 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, err := ioutil.TempDir("", "test_head_init")
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(dir))
|
|
}()
|
|
|
|
db, err := Open(dir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
// Should be set to init values if no WAL or blocks exist so far.
|
|
testutil.Equals(t, int64(math.MaxInt64), db.head.MinTime())
|
|
testutil.Equals(t, int64(math.MinInt64), db.head.MaxTime())
|
|
|
|
// First added sample initializes the writable range.
|
|
app := db.Appender()
|
|
_, err = app.Add(labels.FromStrings("a", "b"), 1000, 1)
|
|
testutil.Ok(t, err)
|
|
|
|
testutil.Equals(t, int64(1000), db.head.MinTime())
|
|
testutil.Equals(t, int64(1000), db.head.MaxTime())
|
|
})
|
|
t.Run("wal-only", func(t *testing.T) {
|
|
dir, err := ioutil.TempDir("", "test_head_init")
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(dir))
|
|
}()
|
|
|
|
testutil.Ok(t, os.MkdirAll(path.Join(dir, "wal"), 0777))
|
|
w, err := wal.New(nil, nil, path.Join(dir, "wal"))
|
|
testutil.Ok(t, err)
|
|
|
|
var enc RecordEncoder
|
|
err = w.Log(
|
|
enc.Series([]RefSeries{
|
|
{Ref: 123, Labels: labels.FromStrings("a", "1")},
|
|
{Ref: 124, Labels: labels.FromStrings("a", "2")},
|
|
}, nil),
|
|
enc.Samples([]RefSample{
|
|
{Ref: 123, T: 5000, V: 1},
|
|
{Ref: 124, T: 15000, V: 1},
|
|
}, nil),
|
|
)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, w.Close())
|
|
|
|
db, err := Open(dir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
testutil.Equals(t, int64(5000), db.head.MinTime())
|
|
testutil.Equals(t, int64(15000), db.head.MaxTime())
|
|
})
|
|
t.Run("existing-block", func(t *testing.T) {
|
|
dir, err := ioutil.TempDir("", "test_head_init")
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(dir))
|
|
}()
|
|
|
|
createBlock(t, dir, genSeries(1, 1, 1000, 2000))
|
|
|
|
db, err := Open(dir, nil, nil, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
testutil.Equals(t, int64(2000), db.head.MinTime())
|
|
testutil.Equals(t, int64(2000), db.head.MaxTime())
|
|
})
|
|
t.Run("existing-block-and-wal", func(t *testing.T) {
|
|
dir, err := ioutil.TempDir("", "test_head_init")
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(dir))
|
|
}()
|
|
|
|
createBlock(t, dir, genSeries(1, 1, 1000, 6000))
|
|
|
|
testutil.Ok(t, os.MkdirAll(path.Join(dir, "wal"), 0777))
|
|
w, err := wal.New(nil, nil, path.Join(dir, "wal"))
|
|
testutil.Ok(t, err)
|
|
|
|
var enc RecordEncoder
|
|
err = w.Log(
|
|
enc.Series([]RefSeries{
|
|
{Ref: 123, Labels: labels.FromStrings("a", "1")},
|
|
{Ref: 124, Labels: labels.FromStrings("a", "2")},
|
|
}, nil),
|
|
enc.Samples([]RefSample{
|
|
{Ref: 123, T: 5000, V: 1},
|
|
{Ref: 124, T: 15000, V: 1},
|
|
}, nil),
|
|
)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, w.Close())
|
|
|
|
r := prometheus.NewRegistry()
|
|
|
|
db, err := Open(dir, nil, r, nil)
|
|
testutil.Ok(t, err)
|
|
defer db.Close()
|
|
|
|
testutil.Equals(t, int64(6000), db.head.MinTime())
|
|
testutil.Equals(t, int64(15000), db.head.MaxTime())
|
|
// Check that old series has been GCed.
|
|
testutil.Equals(t, 1.0, prom_testutil.ToFloat64(db.head.metrics.series))
|
|
})
|
|
}
|
|
|
|
func TestNoEmptyBlocks(t *testing.T) {
|
|
db, delete := openTestDB(t, &Options{
|
|
BlockRanges: []int64{100},
|
|
})
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
db.DisableCompactions()
|
|
|
|
rangeToTriggerCompaction := db.opts.BlockRanges[0]/2*3 - 1
|
|
defaultLabel := labels.FromStrings("foo", "bar")
|
|
defaultMatcher := labels.NewMustRegexpMatcher("", ".*")
|
|
|
|
t.Run("Test no blocks after compact with empty head.", func(t *testing.T) {
|
|
testutil.Ok(t, db.compact())
|
|
actBlocks, err := blockDirs(db.Dir())
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, len(db.Blocks()), len(actBlocks))
|
|
testutil.Equals(t, 0, len(actBlocks))
|
|
testutil.Equals(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()
|
|
_, err := app.Add(defaultLabel, 1, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(defaultLabel, 2, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(defaultLabel, 3+rangeToTriggerCompaction, 0)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
testutil.Ok(t, db.Delete(math.MinInt64, math.MaxInt64, defaultMatcher))
|
|
testutil.Ok(t, db.compact())
|
|
testutil.Equals(t, 1, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.ran)), "compaction should have been triggered here")
|
|
|
|
actBlocks, err := blockDirs(db.Dir())
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, len(db.Blocks()), len(actBlocks))
|
|
testutil.Equals(t, 0, len(actBlocks))
|
|
|
|
app = db.Appender()
|
|
_, err = app.Add(defaultLabel, 1, 0)
|
|
testutil.Assert(t, err == ErrOutOfBounds, "the head should be truncated so no samples in the past should be allowed")
|
|
|
|
// Adding new blocks.
|
|
currentTime := db.Head().MaxTime()
|
|
_, err = app.Add(defaultLabel, currentTime, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(defaultLabel, currentTime+1, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(defaultLabel, currentTime+rangeToTriggerCompaction, 0)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
testutil.Ok(t, db.compact())
|
|
testutil.Equals(t, 2, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.ran)), "compaction should have been triggered here")
|
|
actBlocks, err = blockDirs(db.Dir())
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, len(db.Blocks()), len(actBlocks))
|
|
testutil.Assert(t, len(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()
|
|
currentTime := db.Head().MaxTime()
|
|
_, err := app.Add(defaultLabel, currentTime, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(defaultLabel, currentTime+1, 0)
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(defaultLabel, currentTime+rangeToTriggerCompaction, 0)
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
testutil.Ok(t, db.head.Delete(math.MinInt64, math.MaxInt64, defaultMatcher))
|
|
testutil.Ok(t, db.compact())
|
|
testutil.Equals(t, 3, int(prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.ran)), "compaction should have been triggered here")
|
|
testutil.Equals(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.opts.BlockRanges[0]},
|
|
{MinTime: currentTime + 100, MaxTime: currentTime + 100 + db.opts.BlockRanges[0]},
|
|
}
|
|
for _, m := range blocks {
|
|
createBlock(t, db.Dir(), genSeries(2, 2, m.MinTime, m.MaxTime))
|
|
}
|
|
|
|
oldBlocks := db.Blocks()
|
|
testutil.Ok(t, db.reload()) // Reload the db to register the new blocks.
|
|
testutil.Equals(t, len(blocks)+len(oldBlocks), len(db.Blocks())) // Ensure all blocks are registered.
|
|
testutil.Ok(t, db.Delete(math.MinInt64, math.MaxInt64, defaultMatcher))
|
|
testutil.Ok(t, db.compact())
|
|
testutil.Equals(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())
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, len(db.Blocks()), len(actBlocks))
|
|
testutil.Equals(t, 1, len(actBlocks), "All samples are deleted. Only the most recent block should remain after compaction.")
|
|
})
|
|
}
|
|
|
|
func TestDB_LabelNames(t *testing.T) {
|
|
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{
|
|
[2]string{"name1", "1"},
|
|
[2]string{"name3", "3"},
|
|
[2]string{"name2", "2"},
|
|
},
|
|
sampleLabels2: [][2]string{
|
|
[2]string{"name4", "4"},
|
|
[2]string{"name1", "1"},
|
|
},
|
|
exp1: []string{"name1", "name2", "name3"},
|
|
exp2: []string{"name1", "name2", "name3", "name4"},
|
|
},
|
|
{
|
|
sampleLabels1: [][2]string{
|
|
[2]string{"name2", "2"},
|
|
[2]string{"name1", "1"},
|
|
[2]string{"name2", "2"},
|
|
},
|
|
sampleLabels2: [][2]string{
|
|
[2]string{"name6", "6"},
|
|
[2]string{"name0", "0"},
|
|
},
|
|
exp1: []string{"name1", "name2"},
|
|
exp2: []string{"name0", "name1", "name2", "name6"},
|
|
},
|
|
}
|
|
|
|
blockRange := DefaultOptions.BlockRanges[0]
|
|
// Appends samples into the database.
|
|
appendSamples := func(db *DB, mint, maxt int64, sampleLabels [][2]string) {
|
|
t.Helper()
|
|
app := db.Appender()
|
|
for i := mint; i <= maxt; i++ {
|
|
for _, tuple := range sampleLabels {
|
|
label := labels.FromStrings(tuple[0], tuple[1])
|
|
_, err := app.Add(label, i*blockRange, 0)
|
|
testutil.Ok(t, err)
|
|
}
|
|
}
|
|
err := app.Commit()
|
|
testutil.Ok(t, err)
|
|
}
|
|
for _, tst := range tests {
|
|
db, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
appendSamples(db, 0, 4, tst.sampleLabels1)
|
|
|
|
// Testing head.
|
|
headIndexr, err := db.head.Index()
|
|
testutil.Ok(t, err)
|
|
labelNames, err := headIndexr.LabelNames()
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, tst.exp1, labelNames)
|
|
testutil.Ok(t, headIndexr.Close())
|
|
|
|
// Testing disk.
|
|
err = db.compact()
|
|
testutil.Ok(t, err)
|
|
// All blocks have same label names, hence check them individually.
|
|
// No need to aggregrate and check.
|
|
for _, b := range db.Blocks() {
|
|
blockIndexr, err := b.Index()
|
|
testutil.Ok(t, err)
|
|
labelNames, err = blockIndexr.LabelNames()
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, tst.exp1, labelNames)
|
|
testutil.Ok(t, blockIndexr.Close())
|
|
}
|
|
|
|
// Addings more samples to head with new label names
|
|
// so that we can test (head+disk).LabelNames() (the union).
|
|
appendSamples(db, 5, 9, tst.sampleLabels2)
|
|
|
|
// Testing DB (union).
|
|
q, err := db.Querier(math.MinInt64, math.MaxInt64)
|
|
testutil.Ok(t, err)
|
|
labelNames, err = q.LabelNames()
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, q.Close())
|
|
testutil.Equals(t, tst.exp2, labelNames)
|
|
}
|
|
}
|
|
|
|
func TestCorrectNumTombstones(t *testing.T) {
|
|
db, delete := openTestDB(t, nil)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
delete()
|
|
}()
|
|
|
|
blockRange := DefaultOptions.BlockRanges[0]
|
|
defaultLabel := labels.FromStrings("foo", "bar")
|
|
defaultMatcher := labels.NewEqualMatcher(defaultLabel[0].Name, defaultLabel[0].Value)
|
|
|
|
app := db.Appender()
|
|
for i := int64(0); i < 3; i++ {
|
|
for j := int64(0); j < 15; j++ {
|
|
_, err := app.Add(defaultLabel, i*blockRange+j, 0)
|
|
testutil.Ok(t, err)
|
|
}
|
|
}
|
|
testutil.Ok(t, app.Commit())
|
|
|
|
err := db.compact()
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, 1, len(db.blocks))
|
|
|
|
testutil.Ok(t, db.Delete(0, 1, defaultMatcher))
|
|
testutil.Equals(t, uint64(1), db.blocks[0].meta.Stats.NumTombstones)
|
|
|
|
// {0, 1} and {2, 3} are merged to form 1 tombstone.
|
|
testutil.Ok(t, db.Delete(2, 3, defaultMatcher))
|
|
testutil.Equals(t, uint64(1), db.blocks[0].meta.Stats.NumTombstones)
|
|
|
|
testutil.Ok(t, db.Delete(5, 6, defaultMatcher))
|
|
testutil.Equals(t, uint64(2), db.blocks[0].meta.Stats.NumTombstones)
|
|
|
|
testutil.Ok(t, db.Delete(9, 11, defaultMatcher))
|
|
testutil.Equals(t, uint64(3), db.blocks[0].meta.Stats.NumTombstones)
|
|
}
|
|
|
|
func TestVerticalCompaction(t *testing.T) {
|
|
cases := []struct {
|
|
blockSeries [][]Series
|
|
expSeries map[string][]tsdbutil.Sample
|
|
expBlockNum int
|
|
expOverlappingBlocks int
|
|
}{
|
|
// Case 0
|
|
// |--------------|
|
|
// |----------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{7, 0}, sample{8, 0}, sample{9, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{10, 99}, sample{11, 99},
|
|
sample{12, 99}, sample{13, 99}, sample{14, 99},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{10, 99}, sample{11, 99},
|
|
sample{12, 99}, sample{13, 99}, sample{14, 99},
|
|
}},
|
|
expBlockNum: 1,
|
|
expOverlappingBlocks: 1,
|
|
},
|
|
// Case 1
|
|
// |-------------------------------|
|
|
// |----------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{7, 0}, sample{8, 0}, sample{9, 0},
|
|
sample{11, 0}, sample{13, 0}, sample{17, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{10, 99},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{10, 99}, sample{11, 0},
|
|
sample{13, 0}, sample{17, 0},
|
|
}},
|
|
expBlockNum: 1,
|
|
expOverlappingBlocks: 1,
|
|
},
|
|
// Case 2
|
|
// |-------------------------------|
|
|
// |------------|
|
|
// |--------------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{7, 0}, sample{8, 0}, sample{9, 0},
|
|
sample{11, 0}, sample{13, 0}, sample{17, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{14, 59}, sample{15, 59}, sample{17, 59}, sample{20, 59},
|
|
sample{21, 59}, sample{22, 59},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{11, 0}, sample{13, 0},
|
|
sample{14, 59}, sample{15, 59}, sample{17, 59}, sample{20, 59},
|
|
sample{21, 59}, sample{22, 59},
|
|
}},
|
|
expBlockNum: 1,
|
|
expOverlappingBlocks: 1,
|
|
},
|
|
// Case 3
|
|
// |-------------------|
|
|
// |--------------------|
|
|
// |----------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{8, 0}, sample{9, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{14, 59}, sample{15, 59}, sample{17, 59}, sample{20, 59},
|
|
sample{21, 59}, sample{22, 59},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{5, 99}, sample{6, 99}, sample{7, 99}, sample{8, 99},
|
|
sample{9, 99}, sample{10, 99}, sample{13, 99}, sample{15, 99},
|
|
sample{16, 99}, sample{17, 99},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 99}, sample{6, 99}, sample{7, 99}, sample{8, 99},
|
|
sample{9, 99}, sample{10, 99}, sample{13, 99}, sample{14, 59},
|
|
sample{15, 59}, sample{16, 99}, sample{17, 59}, sample{20, 59},
|
|
sample{21, 59}, sample{22, 59},
|
|
}},
|
|
expBlockNum: 1,
|
|
expOverlappingBlocks: 1,
|
|
},
|
|
// Case 4
|
|
// |-------------------------------------|
|
|
// |------------|
|
|
// |-------------------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{8, 0}, sample{9, 0}, sample{10, 0},
|
|
sample{13, 0}, sample{15, 0}, sample{16, 0}, sample{17, 0},
|
|
sample{20, 0}, sample{22, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{7, 59}, sample{8, 59}, sample{9, 59}, sample{10, 59},
|
|
sample{11, 59},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{8, 99},
|
|
sample{9, 99}, sample{10, 99}, sample{13, 99}, sample{15, 99},
|
|
sample{16, 99}, sample{17, 99},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 59},
|
|
sample{8, 59}, sample{9, 59}, sample{10, 59}, sample{11, 59},
|
|
sample{13, 99}, sample{15, 99}, sample{16, 99}, sample{17, 99},
|
|
sample{20, 0}, sample{22, 0},
|
|
}},
|
|
expBlockNum: 1,
|
|
expOverlappingBlocks: 1,
|
|
},
|
|
// Case 5: series are merged properly when there are multiple series.
|
|
// |-------------------------------------|
|
|
// |------------|
|
|
// |-------------------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{8, 0}, sample{9, 0}, sample{10, 0},
|
|
sample{13, 0}, sample{15, 0}, sample{16, 0}, sample{17, 0},
|
|
sample{20, 0}, sample{22, 0},
|
|
}),
|
|
newSeries(map[string]string{"b": "c"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{8, 0}, sample{9, 0}, sample{10, 0},
|
|
sample{13, 0}, sample{15, 0}, sample{16, 0}, sample{17, 0},
|
|
sample{20, 0}, sample{22, 0},
|
|
}),
|
|
newSeries(map[string]string{"c": "d"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{8, 0}, sample{9, 0}, sample{10, 0},
|
|
sample{13, 0}, sample{15, 0}, sample{16, 0}, sample{17, 0},
|
|
sample{20, 0}, sample{22, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"__name__": "a"}, []tsdbutil.Sample{
|
|
sample{7, 59}, sample{8, 59}, sample{9, 59}, sample{10, 59},
|
|
sample{11, 59},
|
|
}),
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{7, 59}, sample{8, 59}, sample{9, 59}, sample{10, 59},
|
|
sample{11, 59},
|
|
}),
|
|
newSeries(map[string]string{"aa": "bb"}, []tsdbutil.Sample{
|
|
sample{7, 59}, sample{8, 59}, sample{9, 59}, sample{10, 59},
|
|
sample{11, 59},
|
|
}),
|
|
newSeries(map[string]string{"c": "d"}, []tsdbutil.Sample{
|
|
sample{7, 59}, sample{8, 59}, sample{9, 59}, sample{10, 59},
|
|
sample{11, 59},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{8, 99},
|
|
sample{9, 99}, sample{10, 99}, sample{13, 99}, sample{15, 99},
|
|
sample{16, 99}, sample{17, 99},
|
|
}),
|
|
newSeries(map[string]string{"aa": "bb"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{8, 99},
|
|
sample{9, 99}, sample{10, 99}, sample{13, 99}, sample{15, 99},
|
|
sample{16, 99}, sample{17, 99},
|
|
}),
|
|
newSeries(map[string]string{"c": "d"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{8, 99},
|
|
sample{9, 99}, sample{10, 99}, sample{13, 99}, sample{15, 99},
|
|
sample{16, 99}, sample{17, 99},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{
|
|
`{__name__="a"}`: {
|
|
sample{7, 59}, sample{8, 59}, sample{9, 59}, sample{10, 59},
|
|
sample{11, 59},
|
|
},
|
|
`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 59},
|
|
sample{8, 59}, sample{9, 59}, sample{10, 59}, sample{11, 59},
|
|
sample{13, 99}, sample{15, 99}, sample{16, 99}, sample{17, 99},
|
|
sample{20, 0}, sample{22, 0},
|
|
},
|
|
`{aa="bb"}`: {
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{7, 59},
|
|
sample{8, 59}, sample{9, 59}, sample{10, 59}, sample{11, 59},
|
|
sample{13, 99}, sample{15, 99}, sample{16, 99}, sample{17, 99},
|
|
},
|
|
`{b="c"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{8, 0}, sample{9, 0}, sample{10, 0},
|
|
sample{13, 0}, sample{15, 0}, sample{16, 0}, sample{17, 0},
|
|
sample{20, 0}, sample{22, 0},
|
|
},
|
|
`{c="d"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 59},
|
|
sample{8, 59}, sample{9, 59}, sample{10, 59}, sample{11, 59},
|
|
sample{13, 99}, sample{15, 99}, sample{16, 99}, sample{17, 99},
|
|
sample{20, 0}, sample{22, 0},
|
|
},
|
|
},
|
|
expBlockNum: 1,
|
|
expOverlappingBlocks: 1,
|
|
},
|
|
// Case 6
|
|
// |--------------|
|
|
// |----------------|
|
|
// |--------------|
|
|
// |----------------|
|
|
{
|
|
blockSeries: [][]Series{
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{4, 0},
|
|
sample{5, 0}, sample{7, 0}, sample{8, 0}, sample{9, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{3, 99}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{10, 99}, sample{11, 99},
|
|
sample{12, 99}, sample{13, 99}, sample{14, 99},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{20, 0}, sample{21, 0}, sample{22, 0}, sample{24, 0},
|
|
sample{25, 0}, sample{27, 0}, sample{28, 0}, sample{29, 0},
|
|
}),
|
|
},
|
|
[]Series{
|
|
newSeries(map[string]string{"a": "b"}, []tsdbutil.Sample{
|
|
sample{23, 99}, sample{25, 99}, sample{26, 99}, sample{27, 99},
|
|
sample{28, 99}, sample{29, 99}, sample{30, 99}, sample{31, 99},
|
|
}),
|
|
},
|
|
},
|
|
expSeries: map[string][]tsdbutil.Sample{`{a="b"}`: {
|
|
sample{0, 0}, sample{1, 0}, sample{2, 0}, sample{3, 99},
|
|
sample{4, 0}, sample{5, 99}, sample{6, 99}, sample{7, 99},
|
|
sample{8, 99}, sample{9, 99}, sample{10, 99}, sample{11, 99},
|
|
sample{12, 99}, sample{13, 99}, sample{14, 99},
|
|
sample{20, 0}, sample{21, 0}, sample{22, 0}, sample{23, 99},
|
|
sample{24, 0}, sample{25, 99}, sample{26, 99}, sample{27, 99},
|
|
sample{28, 99}, sample{29, 99}, sample{30, 99}, sample{31, 99},
|
|
}},
|
|
expBlockNum: 2,
|
|
expOverlappingBlocks: 2,
|
|
},
|
|
}
|
|
|
|
defaultMatcher := labels.NewMustRegexpMatcher("__name__", ".*")
|
|
for _, c := range cases {
|
|
if ok := t.Run("", func(t *testing.T) {
|
|
|
|
tmpdir, err := ioutil.TempDir("", "data")
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, os.RemoveAll(tmpdir))
|
|
}()
|
|
|
|
for _, series := range c.blockSeries {
|
|
createBlock(t, tmpdir, series)
|
|
}
|
|
opts := *DefaultOptions
|
|
opts.AllowOverlappingBlocks = true
|
|
db, err := Open(tmpdir, nil, nil, &opts)
|
|
testutil.Ok(t, err)
|
|
defer func() {
|
|
testutil.Ok(t, db.Close())
|
|
}()
|
|
db.DisableCompactions()
|
|
testutil.Assert(t, len(db.blocks) == len(c.blockSeries), "Wrong number of blocks [before compact].")
|
|
|
|
// Vertical Query Merging test.
|
|
querier, err := db.Querier(0, 100)
|
|
testutil.Ok(t, err)
|
|
actSeries := query(t, querier, defaultMatcher)
|
|
testutil.Equals(t, c.expSeries, actSeries)
|
|
|
|
// Vertical compaction.
|
|
lc := db.compactor.(*LeveledCompactor)
|
|
testutil.Equals(t, 0, int(prom_testutil.ToFloat64(lc.metrics.overlappingBlocks)), "overlapping blocks count should be still 0 here")
|
|
err = db.compact()
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, c.expBlockNum, len(db.Blocks()), "Wrong number of blocks [after compact]")
|
|
|
|
testutil.Equals(t, c.expOverlappingBlocks, int(prom_testutil.ToFloat64(lc.metrics.overlappingBlocks)), "overlapping blocks count mismatch")
|
|
|
|
// Query test after merging the overlapping blocks.
|
|
querier, err = db.Querier(0, 100)
|
|
testutil.Ok(t, err)
|
|
actSeries = query(t, querier, defaultMatcher)
|
|
testutil.Equals(t, c.expSeries, actSeries)
|
|
}); !ok {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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))
|
|
|
|
dir, err := ioutil.TempDir("", "test_storage")
|
|
if err != nil {
|
|
t.Fatalf("Opening test dir failed: %s", err)
|
|
}
|
|
|
|
rangeToTriggercompaction := DefaultOptions.BlockRanges[0]/2*3 + 1
|
|
|
|
// 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)
|
|
if err != nil {
|
|
t.Fatalf("Opening test storage failed: %s", err)
|
|
}
|
|
defer func() {
|
|
os.RemoveAll(dir)
|
|
}()
|
|
app := db.Appender()
|
|
lbl := labels.Labels{{"a", "b"}}
|
|
_, err = app.Add(lbl, firstBlockMaxT-1, rand.Float64())
|
|
if err == nil {
|
|
t.Fatalf("appending a sample with a timestamp covered by a previous block shouldn't be possible")
|
|
}
|
|
_, err = app.Add(lbl, firstBlockMaxT+1, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(lbl, firstBlockMaxT+2, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
secondBlockMaxt := firstBlockMaxT + rangeToTriggercompaction
|
|
_, err = app.Add(lbl, secondBlockMaxt, rand.Float64()) // Add samples to trigger a new compaction
|
|
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
for x := 0; x < 100; x++ {
|
|
if len(db.Blocks()) == 2 {
|
|
break
|
|
}
|
|
time.Sleep(100 * time.Millisecond)
|
|
}
|
|
testutil.Equals(t, 2, len(db.Blocks()), "no new block created after the set timeout")
|
|
|
|
if db.Blocks()[0].Meta().MaxTime > db.Blocks()[1].Meta().MinTime {
|
|
t.Fatalf("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.
|
|
db.DisableCompactions()
|
|
_, err = app.Add(lbl, secondBlockMaxt+1, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(lbl, secondBlockMaxt+2, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(lbl, secondBlockMaxt+3, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
_, err = app.Add(lbl, secondBlockMaxt+4, rand.Float64())
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
testutil.Ok(t, db.Close())
|
|
|
|
thirdBlockMaxt := secondBlockMaxt + 2
|
|
createBlock(t, dir, genSeries(1, 1, secondBlockMaxt+1, thirdBlockMaxt))
|
|
|
|
db, err = Open(dir, logger, nil, DefaultOptions)
|
|
if err != nil {
|
|
t.Fatalf("Opening test storage failed: %s", err)
|
|
}
|
|
defer db.Close()
|
|
testutil.Equals(t, 3, len(db.Blocks()), "db doesn't include expected number of blocks")
|
|
testutil.Equals(t, db.Blocks()[2].Meta().MaxTime, thirdBlockMaxt, "unexpected maxt of the last block")
|
|
|
|
app = db.Appender()
|
|
_, err = app.Add(lbl, thirdBlockMaxt+rangeToTriggercompaction, rand.Float64()) // Trigger a compaction
|
|
testutil.Ok(t, err)
|
|
testutil.Ok(t, app.Commit())
|
|
for x := 0; x < 100; x++ {
|
|
if len(db.Blocks()) == 4 {
|
|
break
|
|
}
|
|
time.Sleep(100 * time.Millisecond)
|
|
}
|
|
|
|
testutil.Equals(t, 4, len(db.Blocks()), "no new block created after the set timeout")
|
|
|
|
if db.Blocks()[2].Meta().MaxTime > db.Blocks()[3].Meta().MinTime {
|
|
t.Fatalf("new block overlaps old:%v,new:%v", db.Blocks()[2].Meta(), db.Blocks()[3].Meta())
|
|
}
|
|
}
|