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_r360640643
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File path: core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
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@@ -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:
We add the executor before rescheduler can avoid the tasks to rescheduler
the bad executors
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