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https://issues.apache.org/jira/browse/SPARK-22949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley resolved SPARK-22949.
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Resolution: Fixed
Fix Version/s: 2.4.0
2.3.0
Target Version/s: 2.3.0, 2.4.0
Resolved by https://github.com/apache/spark/pull/20143
> Reduce memory requirement for TrainValidationSplit
> --------------------------------------------------
>
> Key: SPARK-22949
> URL: https://issues.apache.org/jira/browse/SPARK-22949
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 2.3.0
> Reporter: Bago Amirbekian
> Assignee: Bago Amirbekian
> Priority: Critical
> Fix For: 2.3.0, 2.4.0
>
>
> There was a fix in {{ CrossValidator }} to reduce memory usage on the driver,
> the same patch to be applied to {{ TrainValidationSplit }}.
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