I seem to be having issues with the accuracy of time.Sleep and time.Ticker.
Running this application below gives me these results:
2017-03-31 17:30:00 +0000 UTC - next tick
Expected: 2017-03-31 17:30:00 +0000 UTC
Current : 2017-03-31 17:30:02.871095796 +0000 UTC
package main
import (
"fmt"
"time"
)
func main() {
ct := time.Now()
nextTick := time.Date(ct.Year(), ct.Month(), ct.Day(), ct.Hour(),
((ct.Minute()/3)+1)*3, 0, 0, time.Local)
fmt.Println(nextTick, "- next tick")
diff := nextTick.Sub(time.Now())
time.Sleep(diff)
fmt.Printf("Current : %v\n", time.Now())
fmt.Printf("Expected: %v\n", nextTick)
}
I also opened up a Issue on github relating to the ticker.
https://github.com/golang/go/issues/19810
I was wondering if anyone else was having issues with these parts of the
lib?
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