mridulm commented on a change in pull request #32730:
URL: https://github.com/apache/spark/pull/32730#discussion_r644903480
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -234,6 +252,7 @@ private class ShuffleStatus(
for (mapIndex <- mapStatuses.indices) {
if (mapStatuses(mapIndex) != null && f(mapStatuses(mapIndex).location)) {
_numAvailableMapOutputs -= 1
+ mapStatusesDeleted(mapIndex) = mapStatuses(mapIndex)
Review comment:
You are right, the check on mapId and mapIndex ensure correctness.
Thanks for clarifying !
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