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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1707) Making the CapacityScheduler more dynamic
Date Wed, 03 Sep 2014 05:09:52 GMT

    [ https://issues.apache.org/jira/browse/YARN-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119355#comment-14119355
] 

Hadoop QA commented on YARN-1707:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12666118/YARN-1707.6.patch
  against trunk revision 08a9ac7.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 3 warning messages.
        See https://builds.apache.org/job/PreCommit-YARN-Build/4805//artifact/trunk/patchprocess/diffJavadocWarnings.txt
for details.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.server.resourcemanager.TestMoveApplication
                  org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacitySchedulerQueueACLs

                                      The following test timeouts occurred in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

org.apache.hadoop.yarn.server.resourcemanager.applicationsmanager.TeTests
org.apache.hadoop.yarn.server.resourcemanager.TestWorkPreservinTests
org.apache.hadoop.yarn.server.resourcemanager.TesTests

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4805//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4805//console

This message is automatically generated.

> Making the CapacityScheduler more dynamic
> -----------------------------------------
>
>                 Key: YARN-1707
>                 URL: https://issues.apache.org/jira/browse/YARN-1707
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>              Labels: capacity-scheduler
>         Attachments: YARN-1707.2.patch, YARN-1707.3.patch, YARN-1707.4.patch, YARN-1707.5.patch,
YARN-1707.6.patch, YARN-1707.patch
>
>
> The CapacityScheduler is a rather static at the moment, and refreshqueue provides a rather
heavy-handed way to reconfigure it. Moving towards long-running services (tracked in YARN-896)
and to enable more advanced admission control and resource parcelling we need to make the
CapacityScheduler more dynamic. This is instrumental to the umbrella jira YARN-1051.
> Concretely this require the following changes:
> * create queues dynamically
> * destroy queues dynamically
> * dynamically change queue parameters (e.g., capacity) 
> * modify refreshqueue validation to enforce sum(child.getCapacity())<= 100% instead
of ==100%
> We limit this to LeafQueues. 



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