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https://issues.apache.org/jira/browse/SPARK-29544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-29544.
---------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 26434
[https://github.com/apache/spark/pull/26434]
> Optimize skewed join at runtime with new Adaptive Execution
> -----------------------------------------------------------
>
> Key: SPARK-29544
> URL: https://issues.apache.org/jira/browse/SPARK-29544
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Ke Jia
> Assignee: Ke Jia
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: Skewed Join Optimization Design Doc.docx
>
>
> Implement a rule in the new adaptive execution framework introduced in
> [SPARK-23128|https://issues.apache.org/jira/browse/SPARK-23128]. This rule is
> used to handle the skew join optimization based on the runtime statistics
> (data size and row count).
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