dongjoon-hyun commented on code in PR #39070:
URL: https://github.com/apache/spark/pull/39070#discussion_r1049335781
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resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodsAllocator.scala:
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@@ -152,7 +152,7 @@ class ExecutorPodsAllocator(
applicationId: String,
schedulerBackend: KubernetesClusterSchedulerBackend,
snapshots: Seq[ExecutorPodsSnapshot]): Unit = {
- val k8sKnownExecIds = snapshots.flatMap(_.executorPods.keys)
+ val k8sKnownExecIds = snapshots.flatMap(_.executorPods.keys).distinct
Review Comment:
`snapshots` is defined as a sequence of snapshot history originally.
Logically, there can be a few snapshot which the same contents, but in the most
cases, they will be different by object metadata or status.
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