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https://issues.apache.org/jira/browse/HDFS-13854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16592596#comment-16592596
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yanghuafeng commented on HDFS-13854:
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It is not wrong just improve to unify the time unit. In the previous code
nanoseconds is not better to display in the jmx. As we provide the toMS() to
transfer the unit and the nanoseconds is really not essential, is it best to
unify the proxy time unit with ms when storing?
> RBF: The ProcessingAvgTime and ProxyAvgTime should display by JMX with ms
> unit.
> -------------------------------------------------------------------------------
>
> Key: HDFS-13854
> URL: https://issues.apache.org/jira/browse/HDFS-13854
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: federation, hdfs
> Affects Versions: 2.9.0, 3.0.0, 3.1.0
> Reporter: yanghuafeng
> Assignee: yanghuafeng
> Priority: Major
> Attachments: HDFS-13854.001.patch, HDFS-13854.002.patch,
> ganglia_jmx_compare1.jpg, ganglia_jmx_compare2.jpg
>
>
> In the FederationRPCMetrics, proxy time and processing time should be exposed
> to the jmx or ganglia with ms units. Although the method toMS() exists, we
> cannot get the correct proxy time and processing time by jmx and ganglia.
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