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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4256) YARN fair scheduler vcores with decimal values
Date Wed, 14 Oct 2015 12:41:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14956833#comment-14956833
] 

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  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 1 new
or modified test files. |
| {color:green}+1{color} | javac |   8m 48s | 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 25s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 55s | 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 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 37s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 40s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |  63m  3s | Tests passed in hadoop-yarn-server-resourcemanager.
|
| | | 108m  4s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12766517/YARN-4256.001.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / d6c8bad |
| hadoop-yarn-server-resourcemanager test log | https://builds.apache.org/job/PreCommit-YARN-Build/9440/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/9440/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/9440/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
>
>
> 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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