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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/03/31 06:24:00 UTC

[jira] [Updated] (SPARK-56302) Free memories as soon as possible to reduce memory pressure handling large task results

     [ https://issues.apache.org/jira/browse/SPARK-56302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-56302:
-----------------------------------
    Labels: pull-request-available  (was: )

> 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
>            Priority: Major
>              Labels: pull-request-available
>
> 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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