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https://issues.apache.org/jira/browse/YARN-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393148#comment-14393148
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Hadoop QA commented on YARN-2901:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12709021/apache-yarn-2901.5.patch
against trunk revision 9ed43f2.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/7199//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/7199//console
This message is automatically generated.
> 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: Exception collapsed.png, Exception expanded.jpg, Screen
> Shot 2015-03-19 at 7.40.02 PM.png, 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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