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x/time: is not working on huge goroutine #39547

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Petelin opened this issue Jun 12, 2020 · 1 comment
Closed

x/time: is not working on huge goroutine #39547

Petelin opened this issue Jun 12, 2020 · 1 comment

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@Petelin
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@Petelin Petelin commented Jun 12, 2020

i write such test code

func main() {
	l := rate.NewLimiter(100, 1)

	var runCounts = new(atomic.Int64)

	go func() {
		for {
			go func() {
				t := time.Now()
				ok := l.AllowN(t, 1)
				if ok {
					runCounts.Inc()
				}
			}()
		}
	}()

	<-time.After(time.Second * 5)
	fmt.Println(runCounts.Load())
	return
}

i expect result is around 501, but actually it may be a very loard number like 12694.

is there any miss understanding?

@gopherbot gopherbot added this to the Unreleased milestone Jun 12, 2020
@toothrot
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@toothrot toothrot commented Jun 12, 2020

For asking questions about learning the language, see one of our forums: https://golang.org/wiki/Questions. We only use this issue tracker for tracking bugs. People in the forums can explain what is happening here.

@golang golang locked and limited conversation to collaborators Jun 12, 2021
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