lib/storage: add benchmarks for regexp filter match / mismatch

These benchmarks allow estimate the performance of regexp filters in promql
This commit is contained in:
Aliaksandr Valialkin 2019-08-22 16:35:55 +03:00
parent 559dd03181
commit 4ed63d033a

View File

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