cloud-fan commented on a change in pull request #24110: [SPARK-25341][Core]
Support rolling back a shuffle map stage and re-generate the shuffle files
URL: https://github.com/apache/spark/pull/24110#discussion_r272451679
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File path:
core/src/main/scala/org/apache/spark/shuffle/sort/SortShuffleManager.scala
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@@ -156,10 +162,11 @@ private[spark] class SortShuffleManager(conf: SparkConf)
extends ShuffleManager
/** Remove a shuffle's metadata from the ShuffleManager. */
override def unregisterShuffle(shuffleId: Int): Boolean = {
Review comment:
I think we should ask for the shuffle generation id when `unregisterShuffle`
is called.
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