dongjoon-hyun commented on a change in pull request #32730:
URL: https://github.com/apache/spark/pull/32730#discussion_r645698008
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -154,14 +160,25 @@ private class ShuffleStatus(
*/
def updateMapOutput(mapId: Long, bmAddress: BlockManagerId): Unit =
withWriteLock {
try {
- val mapStatusOpt = mapStatuses.find(_.mapId == mapId)
+ val mapStatusOpt = mapStatuses.find(x => x != null && x.mapId == mapId)
mapStatusOpt match {
case Some(mapStatus) =>
logInfo(s"Updating map output for ${mapId} to ${bmAddress}")
mapStatus.updateLocation(bmAddress)
invalidateSerializedMapOutputStatusCache()
case None =>
- logWarning(s"Asked to update map output ${mapId} for untracked map
status.")
+ val index = mapStatusesDeleted.indexWhere(x => x != null && x.mapId
== mapId)
+ if (index >= 0) {
+ val mapStatus = mapStatusesDeleted(index)
+ mapStatus.updateLocation(bmAddress)
+ assert(mapStatuses(index) == null)
+ mapStatuses(index) = mapStatus
+ _numAvailableMapOutputs += 1
+ invalidateSerializedMapOutputStatusCache()
+ logDebug(s"Recover ${mapStatus.mapId} ${mapStatus.location}")
Review comment:
Right, it will be matched at that time. I'll update the PR.
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