LuciferYang commented on code in PR #48896:
URL: https://github.com/apache/spark/pull/48896#discussion_r1849634924
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core/src/main/scala/org/apache/spark/MapOutputTracker.scala:
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@@ -839,7 +851,26 @@ private[spark] class MapOutputTrackerMaster(
}
def registerMapOutput(shuffleId: Int, mapIndex: Int, status: MapStatus):
Unit = {
- shuffleStatuses(shuffleId).addMapOutput(mapIndex, status)
+ if (enableOptimizeCompressedMapStatus && status != null) {
Review Comment:
Can `MapStatusesSerDeserBenchmark` be used to demonstrate performance
improvements?
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