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https://issues.apache.org/jira/browse/YARN-3733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572222#comment-14572222
 ] 

Hadoop QA commented on YARN-3733:
---------------------------------

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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 28s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to 
include 2 new or modified test files. |
| {color:green}+1{color} | javac |   7m 36s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 39s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m 40s | There were no new checkstyle 
issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   2m 59s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   1m 56s | Tests passed in 
hadoop-yarn-common. |
| {color:green}+1{color} | yarn tests |  50m 24s | Tests passed in 
hadoop-yarn-server-resourcemanager. |
| | |  94m 18s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12737453/0002-YARN-3733.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / b5f0d29 |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8191/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8191/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8191/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf907.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP 
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/8191/console |


This message was automatically generated.

> DominantRC#compare() does not work as expected if cluster resource is empty
> ---------------------------------------------------------------------------
>
>                 Key: YARN-3733
>                 URL: https://issues.apache.org/jira/browse/YARN-3733
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>         Environment: Suse 11 Sp3 , 2 NM , 2 RM
> one NM - 3 GB 6 v core
>            Reporter: Bibin A Chundatt
>            Assignee: Rohith
>            Priority: Blocker
>         Attachments: 0001-YARN-3733.patch, 0002-YARN-3733.patch, 
> 0002-YARN-3733.patch, YARN-3733.patch
>
>
> Steps to reproduce
> =================
> 1. Install HA with 2 RM 2 NM (3072 MB * 2 total cluster)
> 2. Configure map and reduce size to 512 MB  after changing scheduler minimum 
> size to 512 MB
> 3. Configure capacity scheduler and AM limit to .5 
> (DominantResourceCalculator is configured)
> 4. Submit 30 concurrent task 
> 5. Switch RM
> Actual
> =====
> For 12 Jobs AM gets allocated and all 12 starts running
> No other Yarn child is initiated , *all 12 Jobs in Running state for ever*
> Expected
> =======
> Only 6 should be running at a time since max AM allocated is .5 (3072 MB)



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