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Posted to mapreduce-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2011/01/20 23:04:46 UTC

[jira] Created: (MAPREDUCE-2278) DistributedCache shouldn't hold a ref to JobConf

DistributedCache shouldn't hold a ref to JobConf
------------------------------------------------

                 Key: MAPREDUCE-2278
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2278
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: distributed-cache, tasktracker
    Affects Versions: 0.20.2
            Reporter: Arun C Murthy
            Assignee: Chris Douglas
             Fix For: 0.23.0


The reference is unnecessary, leads to a memory leak.

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[jira] [Commented] (MAPREDUCE-2278) DistributedCache shouldn't hold a ref to JobConf

Posted by "Abhijit Suresh Shingate (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/MAPREDUCE-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13067713#comment-13067713 ] 

Abhijit Suresh Shingate commented on MAPREDUCE-2278:
----------------------------------------------------

I guess following is the change you were referring to.

Changelog for TaskTracker

http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security-202/src/mapred/org/apache/hadoop/mapred/TaskTracker.java?view=log

--------------------------------------------------------------------------------
Revision 1077735 - (view) (download) (annotate) - [select for diffs] 
Modified Fri Mar 4 04:49:48 2011 UTC (4 months, 2 weeks ago) by omalley 
Original Path: hadoop/common/branches/branch-0.20-security-patches/src/mapred/org/apache/hadoop/mapred/TaskTracker.java 
File length: 137307 byte(s) 
Diff to previous 1077733 (colored) 
commit 5d38d6c838173c96f222610aaf184a50d97e08f7
Author: Chris Douglas <cd...@apache.org>
Date: Thu Oct 7 12:11:36 2010 -0700

. Remove unnecessary reference to user configuration from TaskDistributedCacheManager causing memory leaks


I guess we can close this defect in this case.


> DistributedCache shouldn't hold a ref to JobConf
> ------------------------------------------------
>
>                 Key: MAPREDUCE-2278
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2278
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distributed-cache, tasktracker
>    Affects Versions: 0.20.2
>            Reporter: Arun C Murthy
>            Assignee: Chris Douglas
>             Fix For: 0.23.0
>
>
> The reference is unnecessary, leads to a memory leak.

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[jira] [Resolved] (MAPREDUCE-2278) DistributedCache shouldn't hold a ref to JobConf

Posted by "Arun C Murthy (Resolved) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MAPREDUCE-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy resolved MAPREDUCE-2278.
--------------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 0.23.0)
                   0.20.203.0

Fixed in 0.20.203, not relevant for MR2.
                
> DistributedCache shouldn't hold a ref to JobConf
> ------------------------------------------------
>
>                 Key: MAPREDUCE-2278
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2278
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distributed-cache, tasktracker
>    Affects Versions: 0.20.2
>            Reporter: Arun C Murthy
>            Assignee: Chris Douglas
>             Fix For: 0.20.203.0
>
>
> The reference is unnecessary, leads to a memory leak.

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[jira] [Commented] (MAPREDUCE-2278) DistributedCache shouldn't hold a ref to JobConf

Posted by "Abhijit Suresh Shingate (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/MAPREDUCE-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13067619#comment-13067619 ] 

Abhijit Suresh Shingate commented on MAPREDUCE-2278:
----------------------------------------------------

Hi Arun,Chris,

Which hadoop version and Which part of DistributedCache code are you referring to?

Thanks & Regards,
Abhijit

> DistributedCache shouldn't hold a ref to JobConf
> ------------------------------------------------
>
>                 Key: MAPREDUCE-2278
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2278
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distributed-cache, tasktracker
>    Affects Versions: 0.20.2
>            Reporter: Arun C Murthy
>            Assignee: Chris Douglas
>             Fix For: 0.23.0
>
>
> The reference is unnecessary, leads to a memory leak.

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