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* Tests for Mempostings.{Add,Get} data race
* Fix MemPostings.{Add,Get} data race
We can't modify the postings list that are held in MemPostings as they
might already be in use by some readers.
* Modify BenchmarkHeadStripeSeriesCreate to have common labels
If there are no common labels on the series, we don't excercise the
ordering part of MemSeries, as we're just creating slices of one element
for each label value.
---------
Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
87 lines
2.9 KiB
Go
87 lines
2.9 KiB
Go
// Copyright 2018 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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"errors"
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"strconv"
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"testing"
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"github.com/stretchr/testify/require"
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"go.uber.org/atomic"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/prometheus/prometheus/tsdb/chunks"
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)
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func BenchmarkHeadStripeSeriesCreate(b *testing.B) {
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chunkDir := b.TempDir()
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// Put a series, select it. GC it and then access it.
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opts := DefaultHeadOptions()
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opts.ChunkRange = 1000
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opts.ChunkDirRoot = chunkDir
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h, err := NewHead(nil, nil, nil, nil, opts, nil)
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require.NoError(b, err)
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defer h.Close()
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for i := 0; i < b.N; i++ {
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h.getOrCreate(uint64(i), labels.FromStrings(labels.MetricName, "test", "a", strconv.Itoa(i), "b", strconv.Itoa(i%10), "c", strconv.Itoa(i%100), "d", strconv.Itoa(i/2), "e", strconv.Itoa(i/4)))
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}
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}
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func BenchmarkHeadStripeSeriesCreateParallel(b *testing.B) {
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chunkDir := b.TempDir()
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// Put a series, select it. GC it and then access it.
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opts := DefaultHeadOptions()
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opts.ChunkRange = 1000
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opts.ChunkDirRoot = chunkDir
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h, err := NewHead(nil, nil, nil, nil, opts, nil)
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require.NoError(b, err)
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defer h.Close()
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var count atomic.Int64
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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i := int(count.Inc())
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h.getOrCreate(uint64(i), labels.FromStrings(labels.MetricName, "test", "a", strconv.Itoa(i), "b", strconv.Itoa(i%10), "c", strconv.Itoa(i%100), "d", strconv.Itoa(i/2), "e", strconv.Itoa(i/4)))
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}
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})
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}
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func BenchmarkHeadStripeSeriesCreate_PreCreationFailure(b *testing.B) {
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chunkDir := b.TempDir()
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// Put a series, select it. GC it and then access it.
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opts := DefaultHeadOptions()
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opts.ChunkRange = 1000
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opts.ChunkDirRoot = chunkDir
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// Mock the PreCreation() callback to fail on each series.
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opts.SeriesCallback = failingSeriesLifecycleCallback{}
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h, err := NewHead(nil, nil, nil, nil, opts, nil)
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require.NoError(b, err)
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defer h.Close()
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for i := 0; i < b.N; i++ {
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h.getOrCreate(uint64(i), labels.FromStrings(labels.MetricName, "test", "a", strconv.Itoa(i), "b", strconv.Itoa(i%10), "c", strconv.Itoa(i%100), "d", strconv.Itoa(i/2), "e", strconv.Itoa(i/4)))
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}
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}
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type failingSeriesLifecycleCallback struct{}
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func (failingSeriesLifecycleCallback) PreCreation(labels.Labels) error { return errors.New("failed") }
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func (failingSeriesLifecycleCallback) PostCreation(labels.Labels) {}
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func (failingSeriesLifecycleCallback) PostDeletion(map[chunks.HeadSeriesRef]labels.Labels) {}
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