mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-15 08:23:34 +01:00
20 lines
427 B
Go
20 lines
427 B
Go
|
package timeutil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/valyala/fastrand"
|
||
|
|
)
|
||
|
|
|
||
|
|
// AddJitterToDuration adds up to 10% random jitter to d and returns the resulting duration.
|
||
|
|
//
|
||
|
|
// The maximum jitter is limited by 10 seconds.
|
||
|
|
func AddJitterToDuration(d time.Duration) time.Duration {
|
||
|
|
dv := d / 10
|
||
|
|
if dv > 10*time.Second {
|
||
|
|
dv = 10 * time.Second
|
||
|
|
}
|
||
|
|
p := float64(fastrand.Uint32()) / (1 << 32)
|
||
|
|
return d + time.Duration(p*float64(dv))
|
||
|
|
}
|