cloud-fan commented on a change in pull request #26434: [SPARK-29544] [SQL]
optimize skewed partition based on data size
URL: https://github.com/apache/spark/pull/26434#discussion_r358056998
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/ReduceNumShufflePartitions.scala
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@@ -65,6 +66,7 @@ case class ReduceNumShufflePartitions(conf: SQLConf) extends
Rule[SparkPlan] {
def collectShuffleStages(plan: SparkPlan): Seq[ShuffleQueryStageExec] =
plan match {
case _: LocalShuffleReaderExec => Nil
+ case _: SkewedShufflePartitionReader => Nil
Review comment:
We don't need to do it, as `SkewedShufflePartitionReader` is a leaf node now.
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