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https://issues.apache.org/jira/browse/HIVE-13518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308394#comment-15308394
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Jesus Camacho Rodriguez commented on HIVE-13518:
------------------------------------------------
Removing 2.1.0 target as issue is not tagged as Critical/Blocker and the RC
will be created tomorrow. Please feel free to commit to branch-2.1 anyway and
fix for 2.1.0 if this happens before the release.
> 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, HIVE-13518.2.patch,
> HIVE-13518.3.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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