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https://issues.apache.org/jira/browse/HDFS-5951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13907764#comment-13907764
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Travis Thompson commented on HDFS-5951:
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I have to agree with [~sureshms], especially since the WebUI is hitting the JMX
REST API which I think is a fairly common way to monitor these things with
other tools like Nagios. To me, it seems to be more like a convince thing to
expose useful diagnosis information, like the missing files message, but not
try to replace things like Nagios checks.
> Provide diagnosis information in the Web UI
> -------------------------------------------
>
> Key: HDFS-5951
> URL: https://issues.apache.org/jira/browse/HDFS-5951
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-5951.000.patch, diagnosis-failure.png,
> diagnosis-succeed.png
>
>
> HDFS should provide operation statistics in its UI. it can go one step
> further by leveraging the information to diagnose common problems.
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