JkSelf commented on a change in pull request #28669:
URL: https://github.com/apache/spark/pull/28669#discussion_r432316209
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/OptimizeSkewedJoin.scala
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@@ -164,15 +164,15 @@ case class OptimizeSkewedJoin(conf: SQLConf) extends
Rule[SparkPlan] {
assert(left.partitionsWithSizes.length ==
right.partitionsWithSizes.length)
val numPartitions = left.partitionsWithSizes.length
// We use the median size of the original shuffle partitions to detect
skewed partitions.
Review comment:
We may also need to adjust the comment here.
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