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https://issues.apache.org/jira/browse/HDFS-13854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16591901#comment-16591901
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Íñigo Goiri commented on HDFS-13854:
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BTW, I don't quite get why this was wrong.
We were storing nanoseconds and then when outputting using ms.
Now we directly store ms and outputting that.
Why is this different? Overflows? I think I'm missing something.
> 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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