[jira] [Commented] (MAPREDUCE-6169) MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218856#comment-14218856 ] 

Hadoop QA commented on MAPREDUCE-6169:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12682545/MAPREDUCE-6169.000.patch
  against trunk revision 72c141b.

    {color:red}-1 patch{color}.  Trunk compilation may be broken.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5035//console

This message is automatically generated.

> MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6169
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6169
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>            Priority: Minor
>         Attachments: MAPREDUCE-6169.000.patch
>
>
> MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.
> these buffers referenced by key and value can be large, which may cause an OOM error.



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