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prometheus/head_bench_test.go

121 lines
3.9 KiB

// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tsdb
import (
"strconv"
"sync/atomic"
"testing"
"github.com/prometheus/tsdb/labels"
"github.com/prometheus/tsdb/testutil"
)
func BenchmarkHeadStripeSeriesCreate(b *testing.B) {
// Put a series, select it. GC it and then access it.
h, err := NewHead(nil, nil, nil, 1000)
testutil.Ok(b, err)
defer h.Close()
for i := 0; i < b.N; i++ {
h.getOrCreate(uint64(i), labels.FromStrings("a", strconv.Itoa(i)))
}
}
func BenchmarkHeadStripeSeriesCreateParallel(b *testing.B) {
// Put a series, select it. GC it and then access it.
h, err := NewHead(nil, nil, nil, 1000)
testutil.Ok(b, err)
defer h.Close()
var count int64
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
i := atomic.AddInt64(&count, 1)
h.getOrCreate(uint64(i), labels.FromStrings("a", strconv.Itoa(int(i))))
}
})
}
func BenchmarkHeadPostingForMatchers(b *testing.B) {
h, err := NewHead(nil, nil, nil, 1000)
testutil.Ok(b, err)
defer func() {
testutil.Ok(b, h.Close())
}()
var ref uint64
addSeries := func(l labels.Labels) {
ref++
h.getOrCreateWithID(ref, l.Hash(), l)
}
for n := 0; n < 10; n++ {
for i := 0; i < 100000; i++ {
addSeries(labels.FromStrings("i", strconv.Itoa(i), "n", strconv.Itoa(n), "j", "foo"))
// Have some series that won't be matched, to properly test inverted matches.
addSeries(labels.FromStrings("i", strconv.Itoa(i), "n", strconv.Itoa(n), "j", "bar"))
addSeries(labels.FromStrings("i", strconv.Itoa(i), "n", "0_"+strconv.Itoa(n), "j", "bar"))
addSeries(labels.FromStrings("i", strconv.Itoa(i), "n", "1_"+strconv.Itoa(n), "j", "bar"))
addSeries(labels.FromStrings("i", strconv.Itoa(i), "n", "2_"+strconv.Itoa(n), "j", "foo"))
}
}
n1 := labels.NewEqualMatcher("n", "1")
jFoo := labels.NewEqualMatcher("j", "foo")
jNotFoo := labels.Not(jFoo)
iStar := labels.NewMustRegexpMatcher("i", "^.*$")
iPlus := labels.NewMustRegexpMatcher("i", "^.+$")
i1Plus := labels.NewMustRegexpMatcher("i", "^1.+$")
iEmptyRe := labels.NewMustRegexpMatcher("i", "^$")
iNotEmpty := labels.Not(labels.NewEqualMatcher("i", ""))
iNot2 := labels.Not(labels.NewEqualMatcher("n", "2"))
iNot2Star := labels.Not(labels.NewMustRegexpMatcher("i", "^2.*$"))
cases := []struct {
name string
matchers []labels.Matcher
}{
{`n="1"`, []labels.Matcher{n1}},
{`n="1",j="foo"`, []labels.Matcher{n1, jFoo}},
{`j="foo",n="1"`, []labels.Matcher{jFoo, n1}},
{`n="1",j!="foo"`, []labels.Matcher{n1, jNotFoo}},
{`i=~".*"`, []labels.Matcher{iStar}},
{`i=~".+"`, []labels.Matcher{iPlus}},
{`i=~""`, []labels.Matcher{iEmptyRe}},
{`i!=""`, []labels.Matcher{iNotEmpty}},
{`n="1",i=~".*",j="foo"`, []labels.Matcher{n1, iStar, jFoo}},
{`n="1",i=~".*",i!="2",j="foo"`, []labels.Matcher{n1, iStar, iNot2, jFoo}},
{`n="1",i!=""`, []labels.Matcher{n1, iNotEmpty}},
{`n="1",i!="",j="foo"`, []labels.Matcher{n1, iNotEmpty, jFoo}},
{`n="1",i=~".+",j="foo"`, []labels.Matcher{n1, iPlus, jFoo}},
{`n="1",i=~"1.+",j="foo"`, []labels.Matcher{n1, i1Plus, jFoo}},
{`n="1",i=~".+",i!="2",j="foo"`, []labels.Matcher{n1, iPlus, iNot2, jFoo}},
{`n="1",i=~".+",i!~"2.*",j="foo"`, []labels.Matcher{n1, iPlus, iNot2Star, jFoo}},
}
for _, c := range cases {
b.Run(c.name, func(b *testing.B) {
for i := 0; i < b.N; i++ {
_, err := PostingsForMatchers(h.indexRange(0, 1000), c.matchers...)
testutil.Ok(b, err)
}
})
}
}