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https://issues.apache.org/jira/browse/YARN-568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652598#comment-13652598
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Carlo Curino commented on YARN-568:
-----------------------------------
Updated [patch for YARN-569 |
https://issues.apache.org/jira/secure/attachment/12582398/YARN-569.1.patch].
The use of the fungible* fields is in FiCaSchedulerApp.getAllocation(...),
where an Allocation is constructed.
> FairScheduler: support for work-preserving preemption
> ------------------------------------------------------
>
> Key: YARN-568
> URL: https://issues.apache.org/jira/browse/YARN-568
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Attachments: YARN-568-1.patch, YARN-568-2.patch, YARN-568-2.patch,
> YARN-568.patch, YARN-568.patch
>
>
> In the attached patch, we modified the FairScheduler to substitute its
> preemption-by-killling with a work-preserving version of preemption (followed
> by killing if the AMs do not respond quickly enough). This should allows to
> run preemption checking more often, but kill less often (proper tuning to be
> investigated). Depends on YARN-567 and YARN-45, is related to YARN-569.
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