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https://issues.apache.org/jira/browse/HADOOP-12958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15210988#comment-15210988
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Sangjin Lee commented on HADOOP-12958:
--------------------------------------

OK, I am now able to reproduce this with a simple test and a possible solution. 
Let me update it soon.

> PhantomReference for filesystem statistics can trigger OOM
> ----------------------------------------------------------
>
>                 Key: HADOOP-12958
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12958
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.7.3, 2.6.4
>            Reporter: Jason Lowe
>            Assignee: Sangjin Lee
>             Fix For: 2.7.3, 2.6.5
>
>
> I saw an OOM that appears to have been caused by the phantom references 
> introduced for file system statistics management.  I'll post details in a 
> followup comment.



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