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Posted to issues@spark.apache.org by "gaoyajun02 (Jira)" <ji...@apache.org> on 2022/10/21 12:14:00 UTC

[jira] [Updated] (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 ]

gaoyajun02 updated SPARK-40872:
-------------------------------
        Parent: SPARK-33235
    Issue Type: Sub-task  (was: Improvement)

> 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
>            Priority: Major
>
> 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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