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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2015/04/23 00:33:59 UTC

[jira] [Updated] (HIVE-9824) LLAP: Native Vectorization of Map Join

     [ https://issues.apache.org/jira/browse/HIVE-9824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin updated HIVE-9824:
-----------------------------------
    Summary: LLAP: Native Vectorization of Map Join  (was: LLAP: Native Vectorization of Map Join so previously CPU bound queries shift their bottleneck to I/O and make it possible for the rest of LLAP to shine ;))

> LLAP: Native Vectorization of Map Join
> --------------------------------------
>
>                 Key: HIVE-9824
>                 URL: https://issues.apache.org/jira/browse/HIVE-9824
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-9824.01.patch, HIVE-9824.02.patch, HIVE-9824.04.patch, HIVE-9824.06.patch, HIVE-9824.07.patch, HIVE-9824.08.patch, HIVE-9824.09.patch
>
>
> Today's VectorMapJoinOperator is a pass-through that converts each row from a vectorized row batch in a Java Object[] row and passes it to the MapJoinOperator superclass.
> This enhancement creates specialized vectorized map join operator classes that are optimized.



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