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Posted to mapreduce-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2012/06/04 20:02:23 UTC
[jira] [Moved] (MAPREDUCE-4309) Make locatlity in YARN's container
assignment and task scheduling pluggable for other deployment topology
[ https://issues.apache.org/jira/browse/MAPREDUCE-4309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Junping Du moved HADOOP-8474 to MAPREDUCE-4309:
-----------------------------------------------
Affects Version/s: (was: 2.0.0-alpha)
(was: 1.0.0)
1.0.0
2.0.0-alpha
Key: MAPREDUCE-4309 (was: HADOOP-8474)
Project: Hadoop Map/Reduce (was: Hadoop Common)
> 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: 2.0.0-alpha, 1.0.0
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: HADOOP-8474-ContainerAssignmentTaskScheduling-pluggable.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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