dongjoon-hyun commented on a change in pull request #28708:
URL: https://github.com/apache/spark/pull/28708#discussion_r439851831
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -121,12 +121,28 @@ private class ShuffleStatus(numPartitions: Int) {
mapStatuses(mapIndex) = status
}
+ /**
+ * Update the map output location (e.g. during migration).
+ */
+ def updateMapOutput(mapId: Long, bmAddress: BlockManagerId): Unit =
withWriteLock {
Review comment:
Thank you for adding this API.
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