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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/08/28 10:02:57 UTC

[jira] [Commented] (SPARK-3280) Made sort-based shuffle the default implementation

    [ https://issues.apache.org/jira/browse/SPARK-3280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14113519#comment-14113519 ] 

Apache Spark commented on SPARK-3280:
-------------------------------------

User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/2178

> Made sort-based shuffle the default implementation
> --------------------------------------------------
>
>                 Key: SPARK-3280
>                 URL: https://issues.apache.org/jira/browse/SPARK-3280
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>
> sort-based shuffle has lower memory usage and seems to outperform hash-based in almost all of our testing.



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