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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/10/11 06:31:00 UTC

[jira] [Commented] (SPARK-33114) Add metadata in MapStatus to support custom shuffle manager

    [ https://issues.apache.org/jira/browse/SPARK-33114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17211837#comment-17211837 ] 

Apache Spark commented on SPARK-33114:
--------------------------------------

User 'boy-uber' has created a pull request for this issue:
https://github.com/apache/spark/pull/30004

> Add metadata in MapStatus to support custom shuffle manager
> -----------------------------------------------------------
>
>                 Key: SPARK-33114
>                 URL: https://issues.apache.org/jira/browse/SPARK-33114
>             Project: Spark
>          Issue Type: Improvement
>          Components: Shuffle
>    Affects Versions: 3.0.1
>            Reporter: BoYang
>            Priority: Major
>
> Current MapStatus class is tightly bound with local (sort merge) shuffle which uses BlockManagerId to store the shuffle data location. It could not support other custom shuffle manager implementation.
> We could add "metadata" to MapStatus and allow different shuffle manager implementation to store information related to them.



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