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Commit 6b1565d2 authored by Kubernetes Submit Queue's avatar Kubernetes Submit Queue Committed by GitHub
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Merge pull request #30678 from ping035627/ping035627-patch-0816

Automatic merge from submit-queue Recombine the condition for the "shouldScale" function The PR recombine the condition for the "shouldScale" function, abstract the common condition(hpa.Status.LastScaleTime == nil).
parents 75e09a89 f4b13c77
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Showing with 6 additions and 6 deletions
pkg/controller/podautoscaler/horizontal.go
View file @ 6b1565d2
......@@ -355,19 +355,19 @@ func shouldScale(hpa *autoscaling.HorizontalPodAutoscaler, currentReplicas, desi
return false
}
if hpa.Status.LastScaleTime == nil {
return true
}
// Going down only if the usageRatio dropped significantly below the target
// and there was no rescaling in the last downscaleForbiddenWindow.
if desiredReplicas < currentReplicas &&
(hpa.Status.LastScaleTime == nil ||
hpa.Status.LastScaleTime.Add(downscaleForbiddenWindow).Before(timestamp)) {
if desiredReplicas < currentReplicas && hpa.Status.LastScaleTime.Add(downscaleForbiddenWindow).Before(timestamp) {
return true
}
// Going up only if the usage ratio increased significantly above the target
// and there was no rescaling in the last upscaleForbiddenWindow.
if desiredReplicas > currentReplicas &&
(hpa.Status.LastScaleTime == nil ||
hpa.Status.LastScaleTime.Add(upscaleForbiddenWindow).Before(timestamp)) {
if desiredReplicas > currentReplicas && hpa.Status.LastScaleTime.Add(upscaleForbiddenWindow).Before(timestamp) {
return true
}
return false
......
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