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https://issues.apache.org/jira/browse/HIVE-13518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15298763#comment-15298763
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Ashutosh Chauhan commented on HIVE-13518:
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[~vikram.dixit] Does this need more work?
> Hive on Tez: Shuffle joins do not choose the right 'big' table.
> ---------------------------------------------------------------
>
> Key: HIVE-13518
> URL: https://issues.apache.org/jira/browse/HIVE-13518
> Project: Hive
> Issue Type: Bug
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Attachments: HIVE-13518.1.patch
>
>
> Currently the big table is always assumed to be at position 0 but this isn't
> efficient for some queries as the big table at position 1 could have a lot
> more keys/skew. We already have a mechanism of choosing the big table that
> can be leveraged to make the right choice.
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