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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7465) Html view for nntop: top users of name node
Date Thu, 06 Aug 2015 18:58:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660616#comment-14660616

Chris Nauroth commented on HDFS-7465:

I see this issue is closed, but I don't think the NNTop information is really in the web UI.
 Was this closed by mistake?  Do we need to reopen?

> Html view for nntop: top users of name node
> -------------------------------------------
>                 Key: HDFS-7465
>                 URL: https://issues.apache.org/jira/browse/HDFS-7465
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Maysam Yabandeh
>            Priority: Minor
>             Fix For: 2.7.0
> nntop (HDFS-6982) maintains the list of top users of the name node and export the list
via jmx. An external monitoring tool can then draw graphs of the top users using jmx interface.
For small-scale deployments that are not yet equipped with an external monitoring tool, however,
it would be useful to show the list of recent top users using a html view. The html page lists
the top users of each name node command in the past 1, 5, 25 minutes (configurable). The details
can be found in the design doc of nntop: https://issues.apache.org/jira/secure/attachment/12665990/nntop-design-v1.pdf

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