pbacsko commented on code in PR #598:
URL: https://github.com/apache/yunikorn-k8shim/pull/598#discussion_r1203963016
##########
pkg/appmgmt/appmgmt_recovery.go:
##########
@@ -63,14 +64,18 @@ func (svc *AppManagementService) recoverApps()
(map[string]interfaces.ManagedApp
return pods[i].CreationTimestamp.Unix() <
pods[j].CreationTimestamp.Unix()
})
+ // Track pods that we have already seen in order to
+ // skip redundant handling of async events in
RecoveryDone
+ seenEvents := make(map[types.UID]string)
for _, pod := range pods {
if utils.NeedRecovery(pod) {
Review Comment:
I suggest something else which might be better. Instead of saving the pods
which are still running and relying of versions, we might be better off saving
the terminated pods. So we can do this:
```
var terminatedPods map[string]bool
...
for _, pod := range pods {
if isYunikornPod(pod) {
if isRunningPod(pod) {
app := svc.podEventHandler.HandleEvent(general.AddPod,
general.Recovery, pod)
recoveringApps[app.GetApplicationID()] = app
continue
}
terminatedPods[string(pod.UID)] = true
}
}
...
svc.podEventHandler.RecoveryDone(terminatedPods)
```
So we don't care about the version. If a pod is finished in when we're in
the process of listing, it's done, we ignore it. It won't come back to a
non-finished state again.
```
for _, event := range p.asyncEvents {
uid := string(event.pod.UID)
if terminatedPods[uid] {
continue
}
p.internalHandle(event.eventType, Informers, event.pod)
}
```
I strongly believe that this is more easier to understand. Saving & checking
versions just adds more complications.
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