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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.addendum.3.patch
OK. I will try to stop being smart about not casting doubles to int and go read
my basic math book for integer division.
Attached patch with fix and more tests for the corner cases.
> 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-1742.4.patch.addendum, TEZ-1742.addendum.2.patch,
> TEZ-1742.addendum.3.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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