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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3510) Create an extension of ProportionalCapacityPreemptionPolicy which preempts a number of containers from each application in a way which respects fairness
Date Fri, 29 May 2015 02:37:18 GMT

    [ https://issues.apache.org/jira/browse/YARN-3510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14564110#comment-14564110
] 

Hadoop QA commented on YARN-3510:
---------------------------------

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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 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 |   7m 53s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  1s | 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 49s | The applied patch generated  5 new checkstyle
issues (total was 64, now 69). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 40s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:red}-1{color} | findbugs |   1m 29s | The patch appears to introduce 1 new Findbugs
(version 3.0.0) warnings. |
| {color:red}-1{color} | yarn tests |  57m 50s | Tests failed in hadoop-yarn-server-resourcemanager.
|
| | |  97m  7s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-yarn-server-resourcemanager |
| Failed unit tests | hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesApps |
|   | hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesNodeLabels |
|   | hadoop.yarn.server.resourcemanager.TestRMRestart |
|   | hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesNodes |
| Timed out tests | org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestNodeLabelContainerAllocation
|
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12736012/YARN-3510.5.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 788bfa0 |
| checkstyle |  https://builds.apache.org/job/PreCommit-YARN-Build/8122/artifact/patchprocess/diffcheckstylehadoop-yarn-server-resourcemanager.txt
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-YARN-Build/8122/artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
|
| hadoop-yarn-server-resourcemanager test log | https://builds.apache.org/job/PreCommit-YARN-Build/8122/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/8122/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/8122/console |


This message was automatically generated.

> Create an extension of ProportionalCapacityPreemptionPolicy which preempts a number of
containers from each application in a way which respects fairness
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3510
>                 URL: https://issues.apache.org/jira/browse/YARN-3510
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Craig Welch
>            Assignee: Craig Welch
>         Attachments: YARN-3510.2.patch, YARN-3510.3.patch, YARN-3510.5.patch
>
>
> The ProportionalCapacityPreemptionPolicy preempts as many containers from applications
as it can during it's preemption run.  For fifo this makes sense, as it is prempting in reverse
order & therefore maintaining the primacy of the "oldest".  For fair ordering this does
not have the desired effect - instead, it should preempt a number of containers from each
application which maintains a fair balance /close to a fair balance between them



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