You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2015/10/29 10:21:27 UTC

[jira] [Updated] (HIVE-12290) Native Vector ReduceSink

     [ https://issues.apache.org/jira/browse/HIVE-12290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt McCline updated HIVE-12290:
--------------------------------
    Attachment: HIVE-12290.01.patch

> Native Vector ReduceSink
> ------------------------
>
>                 Key: HIVE-12290
>                 URL: https://issues.apache.org/jira/browse/HIVE-12290
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-12290.01.patch
>
>
> Currently, VectorReduceSinkOperator is a pass-thru to ReduceSinkOperator, so we incur object inspector costs.
> Native vectorization will not use object inspectors and allocate memory up front that will be reused for each batch.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)