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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-18) Make locatlity in YARN's container assignment and task scheduling pluggable for other deployment topology
Date Mon, 18 Mar 2013 08:46:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-18?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13604946#comment-13604946
] 

Hadoop QA commented on YARN-18:
-------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12574124/YARN-18-v4.3.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 4 new or modified
test files.

    {color:green}+1 tests included appear to have a timeout.{color}

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

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {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
1.3.9) warnings.

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

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/528//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/528//console

This message is automatically generated.
                
> Make locatlity in YARN's container assignment and task scheduling pluggable for other
deployment topology
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-18
>                 URL: https://issues.apache.org/jira/browse/YARN-18
>             Project: Hadoop YARN
>          Issue Type: New Feature
>    Affects Versions: 2.0.3-alpha
>            Reporter: Junping Du
>            Assignee: Junping Du
>              Labels: features
>         Attachments: HADOOP-8474-ContainerAssignmentTaskScheduling-pluggable.patch, MAPREDUCE-4309.patch,
MAPREDUCE-4309-v2.patch, MAPREDUCE-4309-v3.patch, MAPREDUCE-4309-v4.patch, MAPREDUCE-4309-v5.patch,
MAPREDUCE-4309-v6.patch, MAPREDUCE-4309-v7.patch, YARN-18.patch, YARN-18-v2.patch, YARN-18-v3.1.patch,
YARN-18-v3.2.patch, YARN-18-v3.patch, YARN-18-v4.1.patch, YARN-18-v4.2.patch, YARN-18-v4.3.patch,
YARN-18-v4.patch
>
>
> There are several classes in YARN’s container assignment and task scheduling algorithms
that relate to data locality which were updated to give preference to running a container
on other locality besides node-local and rack-local (like nodegroup-local). This propose to
make these data structure/algorithms pluggable, like: SchedulerNode, RMNodeImpl, etc. The
inner class ScheduledRequests was made a package level class to it would be easier to create
a subclass, ScheduledRequestsWithNodeGroup.

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