Github user roxchkplusony commented on a diff in the pull request:
https://github.com/apache/spark/pull/3483#discussion_r21012034
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -127,7 +127,13 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val actorSyste
makeOffers()
case KillTask(taskId, executorId, interruptThread) =>
- executorDataMap(executorId).executorActor ! KillTask(taskId,
executorId, interruptThread)
+ executorDataMap.get(executorId) match {
+ case Some(executorInfo) =>
+ executorInfo.executorActor ! KillTask(taskId, executorId,
interruptThread)
+ case None =>
+ // Ignoring the task kill since the executor is not registered.
+ logWarning(s"Attempted to kill task $taskId for unknown
executor $executorId.")
+ }
--- End diff --
I like it less, but it's a close #2 next to the existing pattern. I
wouldn't object to keeping them the same or moving to your pattern.
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