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https://issues.apache.org/jira/browse/SPARK-35917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mridul Muralidharan resolved SPARK-35917.
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    Resolution: Won't Fix

> Disable push-based shuffle until the feature is complete
> --------------------------------------------------------
>
>                 Key: SPARK-35917
>                 URL: https://issues.apache.org/jira/browse/SPARK-35917
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Shuffle, Spark Core
>    Affects Versions: 3.1.0
>            Reporter: Chandni Singh
>            Priority: Major
>
> Push-based shuffle is partially merged in apache master but some of the tasks 
> are still incomplete. Since 3.2 is going to cut soon, we will not be able to 
> get the pending tasks reviewed and merged. Few of the pending tasks make 
> protocol changes to the push-based shuffle protocols, so we would like to 
> prevent users from enabling push-based shuffle both on the client and the 
> server until push-based shuffle implementation is complete. 
> We can prevent push-based shuffle to be used by throwing 
> {{UnsupportedOperationException}} (or something like that) both on the client 
> and the server when the user tries to enable it.



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