Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9288#discussion_r43089305
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -615,7 +615,11 @@ private[spark] class ExecutorAllocationManager(
val taskIndex = taskEnd.taskInfo.index
val stageId = taskEnd.stageId
allocationManager.synchronized {
- numRunningTasks -= 1
+ if (numRunningTasks > 0) {
--- End diff --
Hm, this seems like a band-aid though. Is this because the task-end event
happens in the wrong order with the job end event? can we catch and guard for
that case more directly?
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