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https://issues.apache.org/jira/browse/YARN-7403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16370912#comment-16370912
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Konstantinos Karanasos commented on YARN-7403:
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Thanks for the patch, [~curino].
I would suggest to split it in two parts to make it easier to follow.
The first can be the data structures to model the federated cluster and the
second the algos for rebalancing. Another way would be to add the data
structures and the abstract rebalancer, and then add the various
implementations as the second jira.
> [GQ] Compute global and local "IdealAllocation"
> -----------------------------------------------
>
> Key: YARN-7403
> URL: https://issues.apache.org/jira/browse/YARN-7403
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: federation
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Priority: Major
> Attachments: YARN-7403.draft.patch, YARN-7403.draft2.patch,
> YARN-7403.draft3.patch, YARN-7403.v1.patch, YARN-7403.v2.patch,
> global-queues-preemption.PNG
>
>
> This JIRA tracks algorithmic effort to combine the local queue views of
> capacity guarantee/use/demand and compute the global ideal allocation, and
> the respective local allocations. This will inform the RMs in each
> sub-clusters on how to allocate more containers to each queues (allowing for
> temporary over/under allocations that are locally excessive, but globally
> correct).
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