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https://issues.apache.org/jira/browse/TEZ-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14202237#comment-14202237
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Bikas Saha commented on TEZ-1742:
---------------------------------

Thanks for the review. Will pull into branch-0.5 after voting is complete for 
0.5.2.

> Improve response time of internal preemption
> --------------------------------------------
>
>                 Key: TEZ-1742
>                 URL: https://issues.apache.org/jira/browse/TEZ-1742
>             Project: Apache Tez
>          Issue Type: Task
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>             Fix For: 0.5.3
>
>         Attachments: TEZ-1742.1.patch, TEZ-1742.2.patch, TEZ-1742.3.patch, 
> TEZ-1742.4.patch
>
>
> Tez YARN Task Scheduler currently preempts 1 running task at a time when a 
> higher priority task is waiting and there are no available resources. When a 
> large number of higher priority tasks are pending then it can take a long 
> time to preempt the required number of lower priority tasks.



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