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https://issues.apache.org/jira/browse/MAPREDUCE-4986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gera Shegalov updated MAPREDUCE-4986:
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Attachment: MAPREDUCE-4986-branch-1.patch
> Document the locality effect of preemption timeouts in FairScheduler when
> mapred.fairscheduler.preemption is off
> ----------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4986
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4986
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/fair-share, documentation
> Affects Versions: 1.1.1
> Reporter: Gera Shegalov
> Attachments: MAPREDUCE-4986-branch-1.patch
>
>
> fair_scheduler.xml does not mention the delay scheduling algorithm.
> Furthermore, it does not explain that in getAllowedLocalityLevel the
> preemption timeouts are used to disable the locality delay scheduling for the
> starved pool when mapred.fairscheduler.preemption=false (default).
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