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https://issues.apache.org/jira/browse/YARN-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110007#comment-14110007
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Karthik Kambatla commented on YARN-2395:
----------------------------------------

Comments on the latest patch:
# Typo - should be If and not In
{code}
  // Fair share preemption timeout for each queue in seconds. In a job in the
{code}
# Documentation typos - s/will inherits/will inherit in two places.
# In TestAllocationFileLoaderService, can we make some changes to minShare as 
well and verify them. 

> FairScheduler: Preemption timeout should be configurable per queue
> ------------------------------------------------------------------
>
>                 Key: YARN-2395
>                 URL: https://issues.apache.org/jira/browse/YARN-2395
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: fairscheduler
>            Reporter: Ashwin Shankar
>            Assignee: Wei Yan
>         Attachments: YARN-2395-1.patch, YARN-2395-2.patch
>
>
> Currently in fair scheduler, the preemption logic considers fair share 
> starvation only at leaf queue level. This jira is created to implement it at 
> the parent queue as well.
> It involves :
> 1. Making "check for fair share starvation" and "amount of resource to 
> preempt"  recursive such that they traverse the queue hierarchy from root to 
> leaf.
> 2. Currently fairSharePreemptionTimeout is a global config. We could make it 
> configurable on a per queue basis,so that we can specify different timeouts 
> for parent queues.



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