[GitHub] [spark] jiangxb1987 commented on a change in pull request #24350: [SPARK-27348][Core] HeartbeatReceiver should remove lost executors from CoarseGrainedSchedulerBackend

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jiangxb1987 commented on a change in pull request #24350: [SPARK-27348][Core] HeartbeatReceiver should remove lost executors from CoarseGrainedSchedulerBackend
URL: https://github.com/apache/spark/pull/24350#discussion_r360607491
 
 

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 File path: core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
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 @@ -205,6 +207,13 @@ private[spark] class HeartbeatReceiver(sc: SparkContext, clock: Clock)
             // Note: we want to get an executor back after expiring this one,
             // so do not simply call `sc.killExecutor` here (SPARK-8119)
             sc.killAndReplaceExecutor(executorId)
+            // In case of the executors which are not gracefully shut down, we should remove
+            // lost executors from CoarseGrainedSchedulerBackend manually here (SPARK-27348)
+            sc.schedulerBackend match {
 
 Review comment:
   Why not put this into `TaskSchedulerImpl.executorLost()` ?

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