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Remove Saturation() from rate limiter interface

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Kubernetes-commit: a9ed90f227f07fab2da75541d57a5366ddb38f66
This commit is contained in:
Jordan Liggitt
2018-01-19 01:59:33 -05:00
committed by Kubernetes Publisher
parent 847d15469a
commit 7392f7f78f
2 changed files with 0 additions and 43 deletions
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19
util/flowcontrol/throttle.go
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@@ -30,11 +30,6 @@ type RateLimiter interface {
Accept()
// Stop stops the rate limiter, subsequent calls to CanAccept will return false
Stop()
// Saturation returns a percentage number which describes how saturated
// this rate limiter is.
// Usually we use token bucket rate limiter. In that case,
// 1.0 means no tokens are available; 0.0 means we have a full bucket of tokens to use.
Saturation() float64
// QPS returns QPS of this rate limiter
QPS() float32
}
@@ -77,12 +72,6 @@ func (t *tokenBucketRateLimiter) TryAccept() bool {
return t.limiter.TakeAvailable(1) == 1
}
func (t *tokenBucketRateLimiter) Saturation() float64 {
capacity := t.limiter.Capacity()
avail := t.limiter.Available()
return float64(capacity-avail) / float64(capacity)
}
// Accept will block until a token becomes available
func (t *tokenBucketRateLimiter) Accept() {
t.limiter.Wait(1)
@@ -105,10 +94,6 @@ func (t *fakeAlwaysRateLimiter) TryAccept() bool {
return true
}
func (t *fakeAlwaysRateLimiter) Saturation() float64 {
return 0
}
func (t *fakeAlwaysRateLimiter) Stop() {}
func (t *fakeAlwaysRateLimiter) Accept() {}
@@ -131,10 +116,6 @@ func (t *fakeNeverRateLimiter) TryAccept() bool {
return false
}
func (t *fakeNeverRateLimiter) Saturation() float64 {
return 1
}
func (t *fakeNeverRateLimiter) Stop() {
t.wg.Done()
}