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https://issues.apache.org/jira/browse/HADOOP-2398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12553503
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Sanjay Radia commented on HADOOP-2398:
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My patch does not use any dynamic mbeans or report the metrics in a dynamic way
by listing the declared metrics.
This would be very useful to do but I ran out of time for the .16 release.
I will file a new Jira to modify the metrics to use dynamic mbeans. This would
make the task of adding new metrics much
simpler. One would not have to update an mbean for new metrics and also the
metrics would be published automatically to the
metrics context.
> Additional Instrumentation for NameNode, RPC Layer and JMX support
> -------------------------------------------------------------------
>
> Key: HADOOP-2398
> URL: https://issues.apache.org/jira/browse/HADOOP-2398
> Project: Hadoop
> Issue Type: New Feature
> Components: dfs
> Reporter: Sanjay Radia
> Assignee: Sanjay Radia
> Fix For: 0.16.0
>
> Attachments: metricsPatch6.txt, ScreenShotNameNodeStats.png,
> ScreenShotRPCStats.png
>
>
> Additional Instrumentation is needed for name node and its rpc layer.
> Furthermore the instrumentation should be
> visible via JMX, Java's standard monitoring tool.
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