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https://issues.apache.org/jira/browse/YARN-2915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14618627#comment-14618627
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Lei Guo commented on YARN-2915:
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Thanks [~subru] and [~curino], maybe we should also consider the router to be
per DC.
Another question, for [~curino]'s comment, " the AMRMProxy of YARN-2884 can be
run only on a small cluster that work as a launch pad for the federation.", can
you elaborate a little bit on the desired end to end behavior? The description
in the design is different to the comment, "The AMRMProxy runs on all the NM
machines and acts as a proxy to the YARN RM for the AMs by implementing the
ApplicationMasterProtocol."
> Enable YARN RM scale out via federation using multiple RM's
> -----------------------------------------------------------
>
> Key: YARN-2915
> URL: https://issues.apache.org/jira/browse/YARN-2915
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager, resourcemanager
> Reporter: Sriram Rao
> Assignee: Subru Krishnan
> Attachments: FEDERATION_CAPACITY_ALLOCATION_JIRA.pdf,
> Yarn_federation_design_v1.pdf, federation-prototype.patch
>
>
> This is an umbrella JIRA that proposes to scale out YARN to support large
> clusters comprising of tens of thousands of nodes. That is, rather than
> limiting a YARN managed cluster to about 4k in size, the proposal is to
> enable the YARN managed cluster to be elastically scalable.
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