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a68f534264
cleanupTerminatedPods is responsible for checking whether a pod has been terminated and force a status update to trigger the pod deletion. However, this function is called in the periodic clenup routine, which runs every 2 seconds. In other words, it forces a status update for each non-running (and not yet deleted in the apiserver) pod. When batch deleting tens of pods, the rate of new updates surpasses what the status manager can handle, causing numerous redundant requests (and the status channel to be full). This change forces a status update only when detecting the DeletionTimestamp is set for a terminated pod. Note that for other non-terminated pods, the pod workers should be responsible for setting the correct status after killling all the containers.