[jira] [Commented] (TRAFODION-2326) TopN sort consumes more memory than needed.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TRAFODION-2326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15616664#comment-15616664 ] 

ASF GitHub Bot commented on TRAFODION-2326:
-------------------------------------------

GitHub user prashanth-vasudev opened a pull request:

    https://github.com/apache/incubator-trafodion/pull/797

    [TRAFODION-2326] TopN sort reuse of released tuples.

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/prashanth-vasudev/incubator-trafodion topnmem

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-trafodion/pull/797.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #797
    
----

----


> TopN sort consumes more memory than needed.
> -------------------------------------------
>
>                 Key: TRAFODION-2326
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-2326
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: sql-exe
>    Affects Versions: 2.1-incubating
>            Reporter: Prashanth Vasudev
>            Assignee: Prashanth Vasudev
>
> Records that get discarded , those that do not belong to TopN rows, release reference to the tupp descriptor, however the released tuple memory does not get reused for new records from child nodes. 



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