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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12369) Faster Vector GroupBy
Date Thu, 19 Nov 2015 22:41:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15014612#comment-15014612
] 

Sergey Shelukhin commented on HIVE-12369:
-----------------------------------------

Should this target 2.0? The tests have failed... 
I can continue the review today/tomorrow.

> Faster Vector GroupBy
> ---------------------
>
>                 Key: HIVE-12369
>                 URL: https://issues.apache.org/jira/browse/HIVE-12369
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-12369.01.patch
>
>
> Implement fast Vector GroupBy using fast hash table technology developed for Native Vector
MapJoin and vector key handling developed for recent HIVE-12290 Native Vector ReduceSink JIRA.
> (Patch also includes making Native Vector MapJoin use Hybrid Grace -- but that can be
separated out)



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