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Posted to dev@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2014/05/02 02:48:15 UTC

[jira] [Updated] (HIVE-6828) Hive tez bucket map join conversion interferes with map join conversion

     [ https://issues.apache.org/jira/browse/HIVE-6828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunther Hagleitner updated HIVE-6828:
-------------------------------------

    Attachment: HIVE-6828.2.patch

Uploading same patch to run test suite one more time.

> Hive tez bucket map join conversion interferes with map join conversion
> -----------------------------------------------------------------------
>
>                 Key: HIVE-6828
>                 URL: https://issues.apache.org/jira/browse/HIVE-6828
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: 0.13.0, 0.14.0
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>         Attachments: HIVE-6828.1.patch, HIVE-6828.2.patch
>
>
> The issue is that bucket count is used for checking the scaled down size of the hash tables but is used later on to convert to the map join as well which may be incorrect in cases where the entire hash table does not fit in the specified size.



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