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https://issues.apache.org/jira/browse/HDFS-13792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16569462#comment-16569462
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Yiqun Lin commented on HDFS-13792:
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Good catch, [~csun]. The patch LGTM. One minor comment: would you mind adding
the missing overall metric of fsn lock that added in HDFS-13686? It's okay to
fix this as well in this JIRA I think, just a minor change.
> 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
>
>
> 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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