seayoun commented on a change in pull request #26938: [SPARK-30297][CORE] Fix executor lost in net cause app hung upp URL: https://github.com/apache/spark/pull/26938#discussion_r360625700
########## File path: core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala ########## @@ -199,6 +200,18 @@ private[spark] class HeartbeatReceiver(sc: SparkContext, clock: Clock) if (now - lastSeenMs > executorTimeoutMs) { logWarning(s"Removing executor $executorId with no recent heartbeats: " + s"${now - lastSeenMs} ms exceeds timeout $executorTimeoutMs ms") + sc.schedulerBackend match { + case backend: CoarseGrainedSchedulerBackend => + backend.synchronized { + // Mark executor pending to remove if executor heartbeat expired + // to avoid reschedule task on this executor again + if (!backend.executorsPendingToRemove.contains(executorId)) { + backend.executorsPendingToRemove(executorId) = false Review comment: > `sc.killAndReplaceExecutor` already try to mark it as "pending to remove" this is right, but the task has rescheduled at this executor agait at this time, the executor must be removed from the ExecutorBackend to avoid, for example, it will `disableExecutor` in `CoarseGrainedSchedulerBackend` if the driver lost connection from executor. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org