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https://issues.apache.org/jira/browse/YARN-3903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14633638#comment-14633638
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Hadoop QA commented on YARN-3903:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  16m  4s | 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 53s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 51s | 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:red}-1{color} | checkstyle |   0m 46s | The applied patch generated  3 
new checkstyle issues (total was 55, now 55). |
| {color:red}-1{color} | whitespace |   0m  1s | The patch has 2  line(s) that 
end in whitespace. Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 22s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 31s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m 28s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |  51m 26s | Tests passed in 
hadoop-yarn-server-resourcemanager. |
| | |  89m 49s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12746093/YARN-3093.2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 98c2bc8 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-YARN-Build/8584/artifact/patchprocess/diffcheckstylehadoop-yarn-server-resourcemanager.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/8584/artifact/patchprocess/whitespace.txt
 |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8584/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8584/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.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/8584/console |


This message was automatically generated.

> Disable preemption at Queue level for Fair Scheduler
> ----------------------------------------------------
>
>                 Key: YARN-3903
>                 URL: https://issues.apache.org/jira/browse/YARN-3903
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.3.0, 2.4.0, 2.5.0, 2.6.0, 2.7.0
>         Environment: 3.16.0-0.bpo.4-amd64 #1 SMP Debian 3.16.7-ckt2-1~bpo70+1 
> (2014-12-08) x86_64
>            Reporter: He Tianyi
>            Assignee: Karthik Kambatla
>            Priority: Trivial
>             Fix For: 3.0.0
>
>         Attachments: YARN-3093.1.patch, YARN-3093.2.patch
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> YARN-2056 supports disabling preemption at queue level for CapacityScheduler.
> As for fair scheduler, we recently encountered the same need.



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