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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3769) Preemption occurring unnecessarily because preemption doesn't consider user limit
Date Fri, 16 Oct 2015 00:11:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14959902#comment-14959902
] 

Hadoop QA commented on YARN-3769:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 21s | 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 3 new
or modified test files. |
| {color:green}+1{color} | javac |   8m  5s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m 40s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 24s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   0m 52s | The applied patch generated  1 new checkstyle
issues (total was 145, now 145). |
| {color:green}+1{color} | whitespace |   0m  5s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 30s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 36s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 31s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |  57m 50s | Tests passed in hadoop-yarn-server-resourcemanager.
|
| | |  98m 58s | |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12766884/YARN-3769.003.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 8d2d3eb |
| checkstyle |  https://builds.apache.org/job/PreCommit-YARN-Build/9461/artifact/patchprocess/diffcheckstylehadoop-yarn-server-resourcemanager.txt
|
| hadoop-yarn-server-resourcemanager test log | https://builds.apache.org/job/PreCommit-YARN-Build/9461/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/9461/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf902.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/9461/console |


This message was automatically generated.

> Preemption occurring unnecessarily because preemption doesn't consider user limit
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-3769
>                 URL: https://issues.apache.org/jira/browse/YARN-3769
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 2.6.0, 2.7.0, 2.8.0
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: YARN-3769-branch-2.002.patch, YARN-3769-branch-2.7.002.patch, YARN-3769-branch-2.7.003.patch,
YARN-3769.001.branch-2.7.patch, YARN-3769.001.branch-2.8.patch, YARN-3769.003.patch
>
>
> We are seeing the preemption monitor preempting containers from queue A and then seeing
the capacity scheduler giving them immediately back to queue A. This happens quite often and
causes a lot of churn.



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