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https://issues.apache.org/jira/browse/YARN-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14488206#comment-14488206
 ] 

Hadoop QA commented on YARN-3348:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12724296/apache-yarn-3348.5.patch
  against trunk revision 61dc2ea.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 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 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/7279//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/7279//console

This message is automatically generated.

> Add a 'yarn top' tool to help understand cluster usage
> ------------------------------------------------------
>
>                 Key: YARN-3348
>                 URL: https://issues.apache.org/jira/browse/YARN-3348
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: apache-yarn-3348.0.patch, apache-yarn-3348.1.patch, 
> apache-yarn-3348.2.patch, apache-yarn-3348.3.patch, apache-yarn-3348.4.patch, 
> apache-yarn-3348.5.patch
>
>
> It would be helpful to have a 'yarn top' tool that would allow administrators 
> to understand which apps are consuming resources.
> Ideally the tool would allow you to filter by queue, user, maybe labels, etc 
> and show you statistics on container allocation across the cluster to find 
> out which apps are consuming the most resources on the cluster.



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