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https://issues.apache.org/jira/browse/HADOOP-2398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sanjay Radia updated HADOOP-2398:
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Attachment: ScreenShotNameNodeStats.png
This screen shot shows Jconsole displaying the name node statistics.
Note the tree on the left: it shows that name node stats and rpc stats for the
name node are available.
Any of the values can graphed by clicking on the value. This screeenshot shows
that
I decided to graph the Journal Sync Average Time.
> 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
>
>
> 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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