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https://issues.apache.org/jira/browse/SPARK-56302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Jie resolved SPARK-56302.
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Fix Version/s: 4.2.0
4.1.2
Resolution: Fixed
Issue resolved by pull request 55110
[https://github.com/apache/spark/pull/55110]
> Free memories as soon as possible to reduce memory pressure handling large
> task results
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-56302
> URL: https://issues.apache.org/jira/browse/SPARK-56302
> Project: Spark
> Issue Type: Task
> Components: Spark Core
> Affects Versions: 4.1.1
> Reporter: Tengfei Huang
> Assignee: Tengfei Huang
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0, 4.1.2
>
>
> In Executor, when task completest, there are multiple stages serializing the
> results. The memory usage could amplify a few times.
> This will lead to critical memory pressure for tasks with large results.
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