VVKot commented on code in PR #42297:
URL: https://github.com/apache/spark/pull/42297#discussion_r1285536878
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resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodsAllocator.scala:
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@@ -190,6 +190,13 @@ class ExecutorPodsAllocator(
newlyCreatedExecutors.filterKeys(schedulerKnownExecs.contains(_)).mapValues(_._1)
newlyCreatedExecutors --= schedulerKnownNewlyCreatedExecs.keySet
+ // If executor was created and removed in a short period, then it is
possible that the creation
Review Comment:
@dongjoon-hyun this is happening when underlying node is decommissioned in
Kubernetes. If that happens shortly after executor is scheduled on that node,
we hit the bug in question.
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