[ 
https://issues.apache.org/jira/browse/YARN-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14056271#comment-14056271
 ] 

Hadoop QA commented on YARN-2181:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12654771/YARN-2181.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 5 new 
or modified test files.

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to 
fail.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4235//console

This message is automatically generated.

> Add preemption info to RM Web UI and add logs when preemption occurs
> --------------------------------------------------------------------
>
>                 Key: YARN-2181
>                 URL: https://issues.apache.org/jira/browse/YARN-2181
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, webapp
>    Affects Versions: 2.4.0
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, 
> YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, 
> YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, 
> YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, YARN-2181.patch, 
> YARN-2181.patch, YARN-2181.patch, application page-1.png, application page.png
>
>
> We need add preemption info to RM web page to make administrator/user get 
> more understanding about preemption happened on app, etc. 
> And RM logs should have following properties:
> * Logs are retrievable when an application is still running and often flushed.
> * Can distinguish between AM container preemption and task container 
> preemption with container ID shown.
> * Should be INFO level log.



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