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https://issues.apache.org/jira/browse/HIVE-13518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263064#comment-15263064
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Gunther Hagleitner commented on HIVE-13518:
-------------------------------------------

[~vikram.dixit] is this ready?

> 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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