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From "Prasanth J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8156) Vectorized reducers need to avoid memory build-up during a single key
Date Fri, 19 Sep 2014 00:08:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139778#comment-14139778
] 

Prasanth J commented on HIVE-8156:
----------------------------------

+1

> Vectorized reducers need to avoid memory build-up during a single key
> ---------------------------------------------------------------------
>
>                 Key: HIVE-8156
>                 URL: https://issues.apache.org/jira/browse/HIVE-8156
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8156.1.patch, HIVE-8156.2.patch
>
>
> When encountering a skewed key with a large number of values, the vectorized reducer
will not release memory within the loop.



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