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https://issues.apache.org/jira/browse/YARN-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14195819#comment-14195819
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Hadoop QA commented on YARN-2802:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12679156/YARN-2802.001.patch
  against trunk revision 2bb327e.

    {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 
hadoop-tools/hadoop-sls 
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/5719//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5719//console

This message is automatically generated.

> add AM container launch and register delay metrics in QueueMetrics to help 
> diagnose performance issue.
> ------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2802
>                 URL: https://issues.apache.org/jira/browse/YARN-2802
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.5.0
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-2802.000.patch, YARN-2802.001.patch
>
>
> add AM container launch and register delay metrics in QueueMetrics to help 
> diagnose performance issue.
> Added two metrics in QueueMetrics:
> aMLaunchDelay: the time spent from sending event AMLauncherEventType.LAUNCH 
> to receiving event RMAppAttemptEventType.LAUNCHED in RMAppAttemptImpl.
> aMRegisterDelay: the time waiting from receiving event 
> RMAppAttemptEventType.LAUNCHED to receiving event 
> RMAppAttemptEventType.REGISTERED(ApplicationMasterService#registerApplicationMaster)
>  in RMAppAttemptImpl.



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