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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10131) LLAP: BytesBytesMultiHashMap and mapjoin container should reuse refs
Date Sun, 05 Apr 2015 04:25:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14396063#comment-14396063
] 

Matt McCline commented on HIVE-10131:
-------------------------------------

Note there are "concurrent" changes occurring to WriteBuffers (see HIVE-10128).

> LLAP: BytesBytesMultiHashMap and mapjoin container should reuse refs
> --------------------------------------------------------------------
>
>                 Key: HIVE-10131
>                 URL: https://issues.apache.org/jira/browse/HIVE-10131
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Matt McCline
>         Attachments: HIVE-10131.01.patch, HIVE-10131.02.patch, HIVE-10131.03.patch
>
>
> Refs are always allocated and cleared. Should be reused.
> Iterator is another option



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