mirror of
https://github.com/prometheus/prometheus.git
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c954cd9d1d
This creates a new `model` directory and moves all data-model related packages over there: exemplar labels relabel rulefmt textparse timestamp value All the others are more or less utilities and have been moved to `util`: gate logging modetimevfs pool runtime Signed-off-by: beorn7 <beorn@grafana.com>
100 lines
2.8 KiB
Go
100 lines
2.8 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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"io/ioutil"
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"os"
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"strconv"
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"testing"
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"github.com/pkg/errors"
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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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)
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func BenchmarkHeadStripeSeriesCreate(b *testing.B) {
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chunkDir, err := ioutil.TempDir("", "chunk_dir")
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require.NoError(b, err)
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defer func() {
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require.NoError(b, os.RemoveAll(chunkDir))
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}()
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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, 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, err := ioutil.TempDir("", "chunk_dir")
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require.NoError(b, err)
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defer func() {
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require.NoError(b, os.RemoveAll(chunkDir))
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}()
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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, 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, err := ioutil.TempDir("", "chunk_dir")
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require.NoError(b, err)
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defer func() {
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require.NoError(b, os.RemoveAll(chunkDir))
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}()
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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, 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(...labels.Labels) {}
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