cloud-fan commented on a change in pull request #26516: [SPARK-29893] improve
the local shuffle reader performance by changing the reading task number from 1
to multi.
URL: https://github.com/apache/spark/pull/26516#discussion_r347730792
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/ReduceNumShufflePartitions.scala
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@@ -194,8 +194,9 @@ case class CoalescedShuffleReaderExec(
override def output: Seq[Attribute] = child.output
- override def outputPartitioning: Partitioning = {
Review comment:
This change is not needed, right?
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