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https://issues.apache.org/jira/browse/YARN-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14966208#comment-14966208
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Hadoop QA commented on YARN-4256:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  19m 26s | 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 1 new or modified test files. |
| {color:green}+1{color} | javac |   9m 32s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  11m 47s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 26s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 57s | 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 48s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 38s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m 36s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |  64m 35s | Tests passed in 
hadoop-yarn-server-resourcemanager. |
| | | 110m 49s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12767706/YARN-4256.002.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 0c4af0f |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9504/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/9504/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.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/9504/console |


This message was automatically generated.

> YARN fair scheduler vcores with decimal values
> ----------------------------------------------
>
>                 Key: YARN-4256
>                 URL: https://issues.apache.org/jira/browse/YARN-4256
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.7.1
>            Reporter: Prabhu Joseph
>            Assignee: Jun Gong
>            Priority: Minor
>             Fix For: 2.7.2
>
>         Attachments: YARN-4256.001.patch, YARN-4256.002.patch
>
>
> When the queue with vcores is in decimal value, the value after the decimal 
> point is taken as vcores by FairScheduler.
> For the below queue,
>         <minResources>20000 mb,20 vcores,20.25 disks</minResources>
>         <maxResources>30000 mb,40.2 vcores,30.25 disks</maxResources>
> When many applications submitted  parallely into queue, all were in PENDING 
> state as the vcores is taken as 2 skipping the value 40.
> The code FairSchedulerConfiguration.java to Pattern match the vcores has to 
> be improved in such a way either throw 
> AllocationConfigurationException("Missing resource") or consider the value 
> before decimal.



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