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lib/storage: add benchmarks for regexp filter match / mismatch
These benchmarks allow estimate the performance of regexp filters in promql
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@ -3,6 +3,7 @@ package storage
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import (
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"fmt"
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"os"
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"regexp"
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"strconv"
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"sync/atomic"
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"testing"
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@ -11,6 +12,34 @@ import (
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache"
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)
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func BenchmarkRegexpFilterMatch(b *testing.B) {
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b.ReportAllocs()
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b.RunParallel(func(pb *testing.PB) {
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re := regexp.MustCompile(`.*foo-bar-baz.*`)
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b := []byte("fdsffd foo-bar-baz assd fdsfad dasf dsa")
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for pb.Next() {
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if !re.Match(b) {
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panic("BUG: regexp must match!")
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}
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b[0]++
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}
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})
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}
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func BenchmarkRegexpFilterMismatch(b *testing.B) {
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b.ReportAllocs()
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b.RunParallel(func(pb *testing.PB) {
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re := regexp.MustCompile(`.*foo-bar-baz.*`)
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b := []byte("fdsffd foo-bar sfddsf assd nmn,mfdsdsakj")
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for pb.Next() {
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if re.Match(b) {
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panic("BUG: regexp mustn't match!")
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}
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b[0]++
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}
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})
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}
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func BenchmarkIndexDBAddTSIDs(b *testing.B) {
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const recordsPerLoop = 1e3
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