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Avoid computing super-expensive DeepEqual on every pod update

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This commit is contained in:
Wojciech Tyczynski
2016-08-09 15:57:21 +02:00
parent 1c9e623045
commit acfd8c787f
9 changed files with 58 additions and 31 deletions
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8
pkg/controller/petset/pet_set.go
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@@ -166,11 +166,13 @@ func (psc *PetSetController) addPod(obj interface{}) {
// updatePod adds the petset for the current and old pods to the sync queue.
// If the labels of the pod didn't change, this method enqueues a single petset.
func (psc *PetSetController) updatePod(old, cur interface{}) {
if api.Semantic.DeepEqual(old, cur) {
return
}
curPod := cur.(*api.Pod)
oldPod := old.(*api.Pod)
if curPod.ResourceVersion == oldPod.ResourceVersion {
// Periodic resync will send update events for all known pods.
// Two different versions of the same pod will always have different RVs.
return
}
ps := psc.getPetSetForPod(curPod)
if ps == nil {
return