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https://issues.apache.org/jira/browse/SPARK-58587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruifeng Zheng resolved SPARK-58587.
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Fix Version/s: 4.4.0
Resolution: Fixed
Issue resolved by pull request 57788
[https://github.com/apache/spark/pull/57788]
> Move final IsotonicRegression PAV pass to executor
> --------------------------------------------------
>
> Key: SPARK-58587
> URL: https://issues.apache.org/jira/browse/SPARK-58587
> Project: Spark
> Issue Type: Sub-task
> Components: ML
> Affects Versions: 5.0.0
> Reporter: Ruifeng Zheng
> Assignee: Ruifeng Zheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.4.0
>
>
> Move the final IsotonicRegression Pool Adjacent Violators pass from the
> driver to an executor after a spill-capable shuffle sort, reducing driver
> memory pressure before the final model is collected.\n\nDraft PR:
> https://github.com/apache/spark/pull/57788
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