[jira] [Resolved] (SPARK-41469) Task rerun on decommissioned executor can be avoided if shuffle data has migrated

["Mridul Muralidharan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-41469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mridul Muralidharan resolved SPARK-41469.
-----------------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 39011
[https://github.com/apache/spark/pull/39011]

> Task rerun on decommissioned executor can be avoided if shuffle data has migrated
> ---------------------------------------------------------------------------------
>
>                 Key: SPARK-41469
>                 URL: https://issues.apache.org/jira/browse/SPARK-41469
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.1.3, 3.2.2, 3.3.1
>            Reporter: wuyi
>            Assignee: wuyi
>            Priority: Major
>             Fix For: 3.4.0
>
>
> Currently, we will always rerun a finished shuffle map task if it once runs the lost executor. However, in the case of the executor loss is caused by decommission, the shuffle data might be migrated so that task doesn't need to rerun.



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