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meter: fast path for only one label

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2021-07-21 14:29:13 +03:00
parent 650d167313
commit a7e6d61b95
2 changed files with 17 additions and 11 deletions
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2
meter/meter.go
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@ -105,6 +105,7 @@ func BuildName(name string, labels ...string) string {
labels = labels[:len(labels)-1] labels = labels[:len(labels)-1]
} }
if len(labels) > 2 {
sort.Sort(byKey(labels)) sort.Sort(byKey(labels))
idx := 0 idx := 0
@ -119,6 +120,7 @@ func BuildName(name string, labels ...string) string {
break break
} }
} }
}
var b strings.Builder var b strings.Builder
_, _ = b.WriteString(name) _, _ = b.WriteString(name)

4
meter/meter_test.go
View File

@ -56,6 +56,10 @@ func TestBuildName(t *testing.T) {
"my_metric", "my_metric",
"broker", "broker1", "broker", "broker2", "server", "http", "server", "tcp", "register", "mdns", "broker", "broker1", "broker", "broker2", "server", "http", "server", "tcp", "register", "mdns",
}, },
`my_metric{aaa="aaa"}`: []string{
"my_metric",
"aaa", "aaa",
},
} }
for e, d := range data { for e, d := range data {