[GitHub] [spark] dongjoon-hyun commented on a diff in pull request #39280: [SPARK-41766][CORE] Handle decommission request sent before executor registration

[GitBox <gi...@apache.org>]

dongjoon-hyun commented on code in PR #39280:
URL: https://github.com/apache/spark/pull/39280#discussion_r1059223050


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core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala:
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@@ -102,6 +104,15 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, val rpcEnv: Rp
   // Executors which are being decommissioned. Maps from executorId to ExecutorDecommissionInfo.
   protected val executorsPendingDecommission = new HashMap[String, ExecutorDecommissionInfo]
 
+  // Unknown Executors which are being decommissioned. This could be caused by unregistered executor
+  // This executor should be decommissioned after registration.
+  // Maps from executorId to (ExecutorDecommissionInfo, adjustTargetNumExecutors,
+  // triggeredByExecutor).
+  protected val unKnownExecutorsPendingDecommission =

Review Comment:
   `unKnown` -> `unknown`?



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