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storage/local: add benchmark for label matching.

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This commit is contained in:
Fabian Reinartz 2015-06-22 12:02:03 +02:00
parent 94cd321be1
commit 46df1fd5ea
1 changed files with 95 additions and 0 deletions
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95
storage/local/storage_test.go
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@ -15,6 +15,7 @@ package local
import (
"fmt"
"hash/fnv"
"math/rand"
"testing"
"testing/quick"
@ -140,6 +141,100 @@ func TestFingerprintsForLabelMatchers(t *testing.T) {
}
}
var benchLabelMatchingRes map[clientmodel.Fingerprint]clientmodel.COWMetric
func BenchmarkLabelMatching(b *testing.B) {
s, closer := NewTestStorage(b, 1)
defer closer.Close()
h := fnv.New64a()
lbl := func(x int) clientmodel.LabelValue {
h.Reset()
h.Write([]byte(fmt.Sprintf("%d", x)))
return clientmodel.LabelValue(fmt.Sprintf("%d", h.Sum64()))
}
M := 32
met := clientmodel.Metric{}
for i := 0; i < M; i++ {
met["label_a"] = lbl(i)
for j := 0; j < M; j++ {
met["label_b"] = lbl(j)
for k := 0; k < M; k++ {
met["label_c"] = lbl(k)
for l := 0; l < M; l++ {
met["label_d"] = lbl(l)
s.Append(&clientmodel.Sample{
Metric: met.Clone(),
Timestamp: 0,
Value: 1,
})
}
}
}
}
s.WaitForIndexing()
newMatcher := func(matchType metric.MatchType, name clientmodel.LabelName, value clientmodel.LabelValue) *metric.LabelMatcher {
lm, err := metric.NewLabelMatcher(matchType, name, value)
if err != nil {
b.Fatalf("error creating label matcher: %s", err)
}
return lm
}
var matcherTests = []metric.LabelMatchers{
{
newMatcher(metric.Equal, "label_a", lbl(1)),
},
{
newMatcher(metric.Equal, "label_a", lbl(3)),
newMatcher(metric.Equal, "label_c", lbl(3)),
},
{
newMatcher(metric.Equal, "label_a", lbl(3)),
newMatcher(metric.Equal, "label_c", lbl(3)),
newMatcher(metric.NotEqual, "label_d", lbl(3)),
},
{
newMatcher(metric.Equal, "label_a", lbl(3)),
newMatcher(metric.Equal, "label_b", lbl(3)),
newMatcher(metric.Equal, "label_c", lbl(3)),
newMatcher(metric.NotEqual, "label_d", lbl(3)),
},
{
newMatcher(metric.RegexMatch, "label_a", ".+"),
},
{
newMatcher(metric.Equal, "label_a", lbl(3)),
newMatcher(metric.RegexMatch, "label_a", ".+"),
},
{
newMatcher(metric.Equal, "label_a", lbl(1)),
newMatcher(metric.RegexMatch, "label_c", "("+lbl(3)+"|"+lbl(10)+")"),
},
{
newMatcher(metric.Equal, "label_a", lbl(3)),
newMatcher(metric.Equal, "label_a", lbl(4)),
newMatcher(metric.RegexMatch, "label_c", "("+lbl(3)+"|"+lbl(10)+")"),
},
}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
benchLabelMatchingRes = map[clientmodel.Fingerprint]clientmodel.COWMetric{}
for _, mt := range matcherTests {
for _, fp := range s.FingerprintsForLabelMatchers(mt) {
benchLabelMatchingRes[fp] = s.MetricForFingerprint(fp)
}
}
}
// Stop timer to not count the storage closing.
b.StopTimer()
}
func TestRetentionCutoff(t *testing.T) {
now := clientmodel.Now()
insertStart := now.Add(-2 * time.Hour)