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Posted to issues@hive.apache.org by "Vikram Dixit K (JIRA)" <ji...@apache.org> on 2016/04/06 03:22:25 UTC

[jira] [Updated] (HIVE-13343) Need to disable hybrid grace hash join in llap mode except for dynamically partitioned hash join

     [ https://issues.apache.org/jira/browse/HIVE-13343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vikram Dixit K updated HIVE-13343:
----------------------------------
    Attachment: HIVE-13343.2.patch

Address comment and update golden files.

> Need to disable hybrid grace hash join in llap mode except for dynamically partitioned hash join
> ------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-13343
>                 URL: https://issues.apache.org/jira/browse/HIVE-13343
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 2.1.0
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>         Attachments: HIVE-13343.1.patch, HIVE-13343.2.patch
>
>
> Due to performance reasons, we should disable use of hybrid grace hash join in llap when dynamic partition hash join is not used. With dynamic partition hash join, we need hybrid grace hash join due to the possibility of skews.



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