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https://issues.apache.org/jira/browse/HDFS-10984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15563318#comment-15563318
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Siddharth Wagle commented on HDFS-10984:
----------------------------------------

Thanks [~xyao] for the review comments, I will work on incorporating them into 
the patch.

Confused about point 4. I have linked the two tickets, did you mean a Jira 
comment or something for the javadoc as a class level commentary?

> Expose nntop output as metrics   
> ---------------------------------
>
>                 Key: HDFS-10984
>                 URL: https://issues.apache.org/jira/browse/HDFS-10984
>             Project: Hadoop HDFS
>          Issue Type: Task
>          Components: namenode
>    Affects Versions: 2.7.0
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>             Fix For: 2.7.3
>
>         Attachments: HDFS-10984.patch, HDFS-10984.v1.patch, 
> HDFS-10984.v2.patch
>
>
> The nntop output is already exposed via JMX with HDFS-6982.
> However external metrics systems do not get this data. It would be valuable 
> to track this as a timeseries as well.



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