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Posted to yarn-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2012/11/19 05:07:03 UTC
[jira] [Updated] (YARN-18) Make locatlity in YARN's container
assignment and task scheduling pluggable for other deployment topology
[ https://issues.apache.org/jira/browse/YARN-18?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Junping Du updated YARN-18:
---------------------------
Attachment: YARN-18.patch
Rebase to recently code base on YARN.
> 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
>
>
> 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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