Carlo Curino commented on YARN-1051:

[~lars_francke], you can refer to the general tech-report for more of the 
top-level ideas/design. As for how-to-use documentation, you are right it is 
long overdue. A couple of follow up umbrella JIRAs YARN-2573 (HA for the 
reservation system), and YARN-2572 (various improvements/extensions and REST 
API work) can give you some more context of what is brewing. But, in 
particular, as part of the umbrella JIRA YARN-2572, I have just opened 
YARN-4468 that is intended to provide general documentation of the reservaiton 
system and its (recently added) REST api. We will try to get to it soon.  

> YARN Admission Control/Planner: enhancing the resource allocation model with 
> time.
> ----------------------------------------------------------------------------------
>                 Key: YARN-1051
>                 URL: https://issues.apache.org/jira/browse/YARN-1051
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacityscheduler, resourcemanager, scheduler
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>             Fix For: 2.6.0
>         Attachments: YARN-1051-design.pdf, YARN-1051.1.patch, 
> YARN-1051.patch, curino_MSR-TR-2013-108.pdf, socc14-paper15.pdf, 
> techreport.pdf
> In this umbrella JIRA we propose to extend the YARN RM to handle time 
> explicitly, allowing users to "reserve" capacity over time. This is an 
> important step towards SLAs, long-running services, workflows, and helps for 
> gang scheduling.

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