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https://issues.apache.org/jira/browse/SPARK-29962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuming Wang updated SPARK-29962:
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Description:
It seem SortMergeJoin faster than BroadcastJoin if one side is non-shuffle and
the other side can be broadcast:
https://issues.apache.org/jira/secure/attachment/12985671/BroadcastJoin.jpeg
https://issues.apache.org/jira/secure/attachment/12985670/SortMergeJoin.jpeg
> Avoid changing merge join to broadcast join if one side is non-shuffle and
> the other side can be broadcast
> ----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-29962
> URL: https://issues.apache.org/jira/browse/SPARK-29962
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> It seem SortMergeJoin faster than BroadcastJoin if one side is non-shuffle
> and the other side can be broadcast:
> https://issues.apache.org/jira/secure/attachment/12985671/BroadcastJoin.jpeg
> https://issues.apache.org/jira/secure/attachment/12985670/SortMergeJoin.jpeg
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