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_r347727111
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala
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@@ -186,6 +186,15 @@ trait Partitioning {
}
}
+case class CoalescedPartitioning(numPartitions: Int) extends Partitioning {
Review comment:
it's not used
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