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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/04/11 17:23:00 UTC

[jira] [Updated] (SPARK-49386) Add memory based thresholds for shuffle spill

     [ https://issues.apache.org/jira/browse/SPARK-49386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-49386:
-----------------------------------
    Labels: pull-request-available releasenotes  (was: releasenotes)

> Add memory based thresholds for shuffle spill
> ---------------------------------------------
>
>                 Key: SPARK-49386
>                 URL: https://issues.apache.org/jira/browse/SPARK-49386
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Spark Core, SQL
>    Affects Versions: 4.1.0
>            Reporter: dzcxzl
>            Assignee: dzcxzl
>            Priority: Major
>              Labels: pull-request-available, releasenotes
>             Fix For: 4.1.0
>
>
> We can only determine the number of spills by configuring {{{}spark.shuffle.spill.numElementsForceSpillThreshold{}}}. In some scenarios, the size of a row may be very large in the memory.



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