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https://issues.apache.org/jira/browse/YARN-3656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Subru Krishnan updated YARN-3656:
---------------------------------
    Assignee: Jonathan Yaniv

> LowCost: A Cost-Based Placement Agent for YARN Reservations
> -----------------------------------------------------------
>
>                 Key: YARN-3656
>                 URL: https://issues.apache.org/jira/browse/YARN-3656
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacityscheduler, resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Ishai Menache
>            Assignee: Jonathan Yaniv
>              Labels: capacity-scheduler, resourcemanager
>         Attachments: LowCostRayonExternal.pdf, YARN-3656-v1.patch
>
>
> YARN-1051 enables SLA support by allowing users to reserve cluster capacity 
> ahead of time. YARN-1710 introduced a greedy agent for placing user 
> reservations. The greedy agent makes fast placement decisions but at the cost 
> of ignoring the cluster committed resources, which might result in blocking 
> the cluster resources for certain periods of time, and in turn rejecting some 
> arriving jobs.
> We propose LowCost – a new cost-based planning algorithm. LowCost “spreads” 
> the demand of the job throughout the allowed time-window according to a 
> global, load-based cost function. 



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