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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10401) Negative memory stats in NameNode web interface
Date Sun, 15 May 2016 13:51:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15283840#comment-15283840
] 

Yiqun Lin commented on HDFS-10401:
----------------------------------

The max non heap memory shows -1B might means that this value is undefined. If I am think
right, maybe we can optimize this for showing in {{dfshealth.html}}.

> Negative memory stats in NameNode web interface
> -----------------------------------------------
>
>                 Key: HDFS-10401
>                 URL: https://issues.apache.org/jira/browse/HDFS-10401
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.2
>         Environment: Ubuntu 16.04, openjdk version "1.8.0_91", Hadoop-2.7.2
>            Reporter: Dmitry Sivachenko
>            Priority: Minor
>
> In NameNode's web interface I see negative memory usage, which looks like a bug:
> Non Heap Memory used 46.2 MB of 46.84 MB Commited Non Heap Memory. Max Non Heap Memory
is -1 B.



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