Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20930#discussion_r182299915
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -1266,6 +1266,9 @@ class DAGScheduler(
}
if (failedEpoch.contains(execId) && smt.epoch <=
failedEpoch(execId)) {
logInfo(s"Ignoring possibly bogus $smt completion from
executor $execId")
+ } else if (failedStages.contains(shuffleStage)) {
--- End diff --
Why we only have a problem with shuffle map task not result task?
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