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https://issues.apache.org/jira/browse/HDFS-13792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16570540#comment-16570540
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Chao Sun commented on HDFS-13792:
---------------------------------

Thanks [~linyiqun]. Good catch! Attached patch v1 to add overall metrics as 
well. Can you take another look?

> Fix FSN read/write lock metrics name
> ------------------------------------
>
>                 Key: HDFS-13792
>                 URL: https://issues.apache.org/jira/browse/HDFS-13792
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation, metrics
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>            Priority: Trivial
>         Attachments: HDFS-13792.000.patch, HDFS-13792.001.patch
>
>
> The metrics name for FSN read/write lock should be in the format:
> {code}
> FSN(Read|Write)Lock`*OperationName*`NanosNumOps
> {code}
> not
> {code}
> FSN(Read|Write)Lock`*OperationName*`NumOps
> {code}



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