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https://issues.apache.org/jira/browse/MAPREDUCE-4309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13408298#comment-13408298
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Hadoop QA commented on MAPREDUCE-4309:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12535376/MAPREDUCE-4309-v2.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2548//console
This message is automatically generated.
> Make locatlity in YARN's container assignment and task scheduling pluggable
> for other deployment topology
> ---------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4309
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4309
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 1.0.0, 2.0.0-alpha
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments:
> HADOOP-8474-ContainerAssignmentTaskScheduling-pluggable.patch,
> MAPREDUCE-4309-v2.patch, MAPREDUCE-4309.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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