JkSelf commented on a change in pull request #29021:
URL: https://github.com/apache/spark/pull/29021#discussion_r456272136
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/OptimizeLocalShuffleReader.scala
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@@ -142,6 +142,14 @@ object OptimizeLocalShuffleReader {
def canUseLocalShuffleReader(plan: SparkPlan): Boolean = plan match {
case s: ShuffleQueryStageExec =>
s.shuffle.canChangeNumPartitions
+ // This CustomShuffleReaderExec used in skew side, its numPartitions
increased.
Review comment:
It means the rule of `OptimizeLocalShuffleReader` is disabled when
enable the rule of `OptimizedSkwedJoin `rule ?
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