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https://issues.apache.org/jira/browse/TEZ-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bikas Saha updated TEZ-1742:
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Attachment: TEZ-1742.1.patch
Attaching patch. [~rajesh.balamohan] [~sseth] Please review. The existing
preemption test passes with the change.
> 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
> Attachments: TEZ-1742.1.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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