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package metrics_test
import (
"fmt"
"time"
"github.com/VictoriaMetrics/metrics"
)
func ExampleSummary() {
// Define a summary in global scope.
var s = metrics.NewSummary(`request_duration_seconds{path="/foo/bar"}`)
// Update the summary with the duration of processRequest call.
startTime := time.Now()
processRequest()
s.UpdateDuration(startTime)
}
func ExampleSummary_vec() {
for i := 0; i < 3; i++ {
// Dynamically construct metric name and pass it to GetOrCreateSummary.
name := fmt.Sprintf(`response_size_bytes{path=%q}`, "/foo/bar")
response := processRequest()
metrics.GetOrCreateSummary(name).Update(float64(len(response)))
}
}
func processRequest() string {
return "foobar"
}
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