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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2013/10/24 00:42:44 UTC

[jira] [Commented] (HIVE-5503) TopN optimization in VectorReduceSink

    [ https://issues.apache.org/jira/browse/HIVE-5503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13803488#comment-13803488 ] 

Sergey Shelukhin commented on HIVE-5503:
----------------------------------------

HIVE-5588 has been abandoned now, so we will do this by adding vectorized interface to TopNHash

> TopN optimization in VectorReduceSink
> -------------------------------------
>
>                 Key: HIVE-5503
>                 URL: https://issues.apache.org/jira/browse/HIVE-5503
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Jitendra Nath Pandey
>            Assignee: Sergey Shelukhin
>
> We need to add TopN optimization to VectorReduceSink as well, it would be great if ReduceSink and VectorReduceSink share this code.



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