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https://issues.apache.org/jira/browse/SPARK-40715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17614652#comment-17614652
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Apache Spark commented on SPARK-40715:
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User 'wankunde' has created a pull request for this issue:
https://github.com/apache/spark/pull/38176
> Support preferring shuffled hash join thought LocalMapThreshold is less than
> advisory partition size
> ----------------------------------------------------------------------------------------------------
>
> Key: SPARK-40715
> URL: https://issues.apache.org/jira/browse/SPARK-40715
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Wan Kun
> Priority: Major
>
> Now DynamicJoinSelection will prefer shuffled hash join only ifÂ
> *advisoryPartitionSize <= maxShuffledHashJoinLocalMapThreshold*
> We can also prefer shuffled hash join if the partitions in one side are
> smaller are smaller than advisoryPartitionSize, and the partitions in the
> other side are all larger enough(larger than advisoryPartitionSize)
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