Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/6750#discussion_r34854497
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -1128,38 +1128,47 @@ class DAGScheduler(
val failedStage = stageIdToStage(task.stageId)
val mapStage = shuffleToMapStage(shuffleId)
- // It is likely that we receive multiple FetchFailed for a single
stage (because we have
- // multiple tasks running concurrently on different executors). In
that case, it is possible
- // the fetch failure has already been handled by the scheduler.
- if (runningStages.contains(failedStage)) {
- logInfo(s"Marking $failedStage (${failedStage.name}) as failed "
+
- s"due to a fetch failure from $mapStage (${mapStage.name})")
- markStageAsFinished(failedStage, Some(failureMessage))
- }
+ if (failedStage.latestInfo.attemptId != task.stageAttemptId) {
+ logInfo(s"Ignoring fetch failure from $task as it's from
$failedStage attempt" +
+ s" ${task.stageAttemptId}, which has already failed")
--- End diff --
yes, good idea. done
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