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recombining the condition for shouldScale function

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Signed-off-by: PingWang <wang.ping5@zte.com.cn>
This commit is contained in:
PingWang 2016-08-16 19:02:08 +08:00
parent 065fad7ad1
commit f4b13c77a8
1 changed files with 6 additions and 6 deletions
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12
pkg/controller/podautoscaler/horizontal.go
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@ -355,19 +355,19 @@ func shouldScale(hpa *autoscaling.HorizontalPodAutoscaler, currentReplicas, desi
return false return false
} }
if hpa.Status.LastScaleTime == nil {
return true
}
// Going down only if the usageRatio dropped significantly below the target // Going down only if the usageRatio dropped significantly below the target
// and there was no rescaling in the last downscaleForbiddenWindow. // and there was no rescaling in the last downscaleForbiddenWindow.
if desiredReplicas < currentReplicas && if desiredReplicas < currentReplicas && hpa.Status.LastScaleTime.Add(downscaleForbiddenWindow).Before(timestamp) {
(hpa.Status.LastScaleTime == nil ||
hpa.Status.LastScaleTime.Add(downscaleForbiddenWindow).Before(timestamp)) {
return true return true
} }
// Going up only if the usage ratio increased significantly above the target // Going up only if the usage ratio increased significantly above the target
// and there was no rescaling in the last upscaleForbiddenWindow. // and there was no rescaling in the last upscaleForbiddenWindow.
if desiredReplicas > currentReplicas && if desiredReplicas > currentReplicas && hpa.Status.LastScaleTime.Add(upscaleForbiddenWindow).Before(timestamp) {
(hpa.Status.LastScaleTime == nil ||
hpa.Status.LastScaleTime.Add(upscaleForbiddenWindow).Before(timestamp)) {
return true return true
} }
return false return false