wypoon commented on a change in pull request #28848:
URL: https://github.com/apache/spark/pull/28848#discussion_r445965785
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File path: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
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@@ -177,6 +177,8 @@ private[spark] class DAGScheduler(
// TODO: Garbage collect information about failure epochs when we know there
are no more
// stray messages to detect.
private val failedEpoch = new HashMap[String, Long]
+ // In addition, track epoch for failed executors that result in lost file
output
Review comment:
I changed `fileLostEpoch` to `shuffleFileLostEpoch` and more or less
adopted your suggestion for the comment explaining it.
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