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Posted to issues@spark.apache.org by "Mridul Muralidharan (Jira)" <ji...@apache.org> on 2022/11/21 06:15:00 UTC

[jira] [Resolved] (SPARK-40872) Fallback to original shuffle block when a push-merged shuffle chunk is zero-size

     [ https://issues.apache.org/jira/browse/SPARK-40872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mridul Muralidharan resolved SPARK-40872.
-----------------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 38333
[https://github.com/apache/spark/pull/38333]

> Fallback to original shuffle block when a push-merged shuffle chunk is zero-size
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-40872
>                 URL: https://issues.apache.org/jira/browse/SPARK-40872
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Shuffle
>    Affects Versions: 3.3.0, 3.2.2
>            Reporter: gaoyajun02
>            Assignee: gaoyajun02
>            Priority: Major
>             Fix For: 3.4.0
>
>
> A large number of shuffle tests in our cluster show that bad nodes with chunk corruption appear have a probability of fetching zero-size shuffleChunks. In this case, we can fall back to original shuffle blocks.



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