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https://issues.apache.org/jira/browse/SPARK-32919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17383663#comment-17383663
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Apache Spark commented on SPARK-32919:
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User 'venkata91' has created a pull request for this issue:
https://github.com/apache/spark/pull/33425
> Add support in Spark driver to coordinate the shuffle map stage in push-based
> shuffle by selecting external shuffle services for merging shuffle partitions
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-32919
> URL: https://issues.apache.org/jira/browse/SPARK-32919
> Project: Spark
> Issue Type: Sub-task
> Components: Shuffle, Spark Core
> Affects Versions: 3.1.0
> Reporter: Min Shen
> Assignee: Venkata krishnan Sowrirajan
> Priority: Major
> Fix For: 3.1.0
>
>
> In the beginning of a shuffle map stage, driver needs to select external
> shuffle services as the mergers of the shuffle partitions for the
> corresponding shuffle.
> We currently leverage the immediate available information about current and
> past executor location information for this selection purpose. Ideally, this
> would be behind a pluggable interface so that we can potentially leverage
> information tracked outside of a Spark application for better load balancing
> or for a disaggregate deployment environment.
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