mirror of
https://github.com/prometheus/prometheus
synced 2024-12-27 00:53:12 +00:00
87 lines
2.6 KiB
Go
87 lines
2.6 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("a", strconv.Itoa(i)))
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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 := count.Inc()
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h.getOrCreate(uint64(i), labels.FromStrings("a", strconv.Itoa(int(i))))
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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("a", strconv.Itoa(i)))
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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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