Ngone51 commented on a change in pull request #27967: [SPARK-31201][SQL] Add an
individual config for skewed partition threshold
URL: https://github.com/apache/spark/pull/27967#discussion_r397630336
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/OptimizeSkewedJoin.scala
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@@ -67,7 +67,7 @@ case class OptimizeSkewedJoin(conf: SQLConf) extends
Rule[SparkPlan] {
*/
private def isSkewed(size: Long, medianSize: Long): Boolean = {
size > medianSize *
conf.getConf(SQLConf.SKEW_JOIN_SKEWED_PARTITION_FACTOR) &&
- size > conf.getConf(SQLConf.ADVISORY_PARTITION_SIZE_IN_BYTES)
+ size > conf.getConf(SQLConf.SKEW_JOIN_SKEWED_PARTITION_THRESHOLD)
Review comment:
We'd better to update doc to warn user not to do so.
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