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https://issues.apache.org/jira/browse/YARN-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Vasudev updated YARN-2901:
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Attachment: Screen Shot 2015-03-19 at 7.40.02 PM.png
Uploaded a screen shot of the what the new page looks like(for the NM). The
entries that are underlined are messages that were too long(think of exception
stack traces). If you click on them, it'll show the full message.
> Add errors and warning stats to RM, NM web UI
> ---------------------------------------------
>
> Key: YARN-2901
> URL: https://issues.apache.org/jira/browse/YARN-2901
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager, resourcemanager
> Reporter: Varun Vasudev
> Assignee: Varun Vasudev
> Attachments: Screen Shot 2015-03-19 at 7.40.02 PM.png
>
>
> It would be really useful to have statistics on the number of errors and
> warnings in the RM and NM web UI. I'm thinking about -
> 1. The number of errors and warnings in the past 5 min/1 hour/12 hours/day
> 2. The top 'n'(20?) most common exceptions in the past 5 min/1 hour/12
> hours/day
> By errors and warnings I'm referring to the log level.
> I suspect we can probably achieve this by writing a custom appender?(I'm open
> to suggestions on alternate mechanisms for implementing this).
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