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https://issues.apache.org/jira/browse/YARN-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040361#comment-14040361
 ] 

Hadoop QA commented on YARN-2144:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12651911/YARN-2144.patch
  against trunk revision .

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include 
any new or modified tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    {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:red}-1 findbugs{color}.  The patch appears to introduce 1 new 
Findbugs (version 1.3.9) 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-server/hadoop-yarn-server-resourcemanager.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/4041//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-YARN-Build/4041//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4041//console

This message is automatically generated.

> Add logs when preemption occurs
> -------------------------------
>
>                 Key: YARN-2144
>                 URL: https://issues.apache.org/jira/browse/YARN-2144
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacityscheduler
>    Affects Versions: 2.5.0
>            Reporter: Tassapol Athiapinya
>            Assignee: Wangda Tan
>         Attachments: AM-page-preemption-info.png, YARN-2144.patch, 
> YARN-2144.patch, YARN-2144.patch, YARN-2144.patch, YARN-2144.patch, 
> YARN-2144.patch, YARN-2144.patch
>
>
> There should be easy-to-read logs when preemption does occur. 
> 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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