[jira] [Commented] (SPARK-38093) Set shuffleMergeAllowed to false for a determinate stage after the stage is finalized

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

    [ https://issues.apache.org/jira/browse/SPARK-38093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17635786#comment-17635786 ] 

Mars commented on SPARK-38093:
------------------------------

comment https://github.com/apache/spark/pull/34122#discussion_r796929787

> Set shuffleMergeAllowed to false for a determinate stage after the stage is finalized
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-38093
>                 URL: https://issues.apache.org/jira/browse/SPARK-38093
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Shuffle
>    Affects Versions: 3.2.1
>            Reporter: Venkata krishnan Sowrirajan
>            Priority: Major
>
> Currently we are setting shuffleMergeAllowed to false before prepareShuffleServicesForShuffleMapStage if the shuffle dependency is already finalized. Ideally it is better to do it right after shuffle dependency finalization for a determinate stage. cc [~mridulm80]



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