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https://issues.apache.org/jira/browse/HDFS-11194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15803009#comment-15803009
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Arpit Agarwal commented on HDFS-11194:
--------------------------------------

HDFS-11194-03-04.delta has the changes from the v03 -> v04 patch for reviewing.

> Maintain aggregated peer performance metrics on NameNode
> --------------------------------------------------------
>
>                 Key: HDFS-11194
>                 URL: https://issues.apache.org/jira/browse/HDFS-11194
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.8.0
>            Reporter: Xiaobing Zhou
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-11194-03-04.delta, HDFS-11194.01.patch, 
> HDFS-11194.02.patch, HDFS-11194.03.patch, HDFS-11194.04.patch
>
>
> The metrics collected in HDFS-10917 should be reported to and aggregated on 
> NameNode as part of heart beat messages. This will make is easy to expose it 
> through JMX to users who are interested in them.



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