cloud-fan commented on a change in pull request #29021:
URL: https://github.com/apache/spark/pull/29021#discussion_r459835653
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/OptimizeSkewedJoin.scala
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@@ -263,18 +299,31 @@ case class OptimizeSkewedJoin(conf: SQLConf) extends
Rule[SparkPlan] {
val shuffleStages = collectShuffleStages(plan)
if (shuffleStages.length == 2) {
Review comment:
why not we break this limitation first?
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