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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2901) Add errors and warning metrics page to RM, NM web UI
Date Thu, 09 Apr 2015 11:56:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487245#comment-14487245
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Hudson commented on YARN-2901:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #892 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/892/])
YARN-2901 addendum: Fixed findbugs warning caused by previously patch (wangda: rev ba9ee22ca4ed2c5ff447b66b2e2dfe25f6880fe0)
* hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml


> Add errors and warning metrics page 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
>             Fix For: 2.8.0
>
>         Attachments: Exception collapsed.png, Exception expanded.jpg, Screen Shot 2015-03-19
at 7.40.02 PM.png, YARN-2901.addendem.1.patch, apache-yarn-2901.0.patch, apache-yarn-2901.1.patch,
apache-yarn-2901.2.patch, apache-yarn-2901.3.patch, apache-yarn-2901.4.patch, apache-yarn-2901.5.patch
>
>
> 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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