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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-6377) Set the number of shuffle partitions automatically based on the size of input tables and the reduce-side operation.
Date Tue, 17 Mar 2015 10:39:38 GMT

    [ https://issues.apache.org/jira/browse/SPARK-6377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14364901#comment-14364901
] 

Sean Owen commented on SPARK-6377:
----------------------------------

I think this is the same basic suggestion as SPARK-4630?

> Set the number of shuffle partitions automatically based on the size of input tables
and the reduce-side operation.
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-6377
>                 URL: https://issues.apache.org/jira/browse/SPARK-6377
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Yin Huai
>
> It will be helpful to automatically set the number of shuffle partitions based on the
size of input tables and the operation at the reduce side for an Exchange operator.



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