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https://issues.apache.org/jira/browse/YARN-2454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524488#comment-14524488
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Hadoop QA commented on YARN-2454:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 37s | 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 |   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 22s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 54s | 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 31s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 35s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m 24s | The patch does not introduce 
any new Findbugs (version 2.0.3) warnings. |
| {color:green}+1{color} | yarn tests |   1m 55s | Tests passed in 
hadoop-yarn-common. |
| | |  38m 37s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12664364/YARN-2454%20-v2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/7592/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/7592/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/7592/console |


This message was automatically generated.

> The function compareTo of variable UNBOUNDED in 
> org.apache.hadoop.yarn.util.resource.Resources is definited wrong.
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2454
>                 URL: https://issues.apache.org/jira/browse/YARN-2454
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.4.0, 2.5.0, 2.4.1
>            Reporter: Xu Yang
>            Assignee: Xu Yang
>         Attachments: YARN-2454 -v2.patch, YARN-2454-patch.diff, 
> YARN-2454.patch
>
>
> The variable UNBOUNDED implement the abstract class Resources, and override 
> the function compareTo. But there is something wrong in this function. We 
> should not compare resources with zero as the same as the variable NONE. We 
> should change 0 to Integer.MAX_VALUE.



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