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https://issues.apache.org/jira/browse/SPARK-6377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-6377.
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Resolution: Incomplete
> 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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