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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 05:35:38 UTC

[jira] [Updated] (SPARK-6377) Set the number of map output partitions for Exchange operator automatically based on the size of input tables and the reduce-side operation.

     [ https://issues.apache.org/jira/browse/SPARK-6377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-6377:
--------------------------------
    Labels: bulk-closed  (was: )

> Set the number of map output partitions for Exchange operator 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
>            Priority: Major
>              Labels: bulk-closed
>
> 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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