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From "Jim Challenger (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-3614) DUCC RM should reap non-preemptable shares for services, jobs, and AP
Date Mon, 05 May 2014 17:52:19 GMT

     [ https://issues.apache.org/jira/browse/UIMA-3614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jim Challenger closed UIMA-3614.
--------------------------------

    Resolution: Fixed

> DUCC RM should reap non-preemptable shares for services, jobs, and AP
> ---------------------------------------------------------------------
>
>                 Key: UIMA-3614
>                 URL: https://issues.apache.org/jira/browse/UIMA-3614
>             Project: UIMA
>          Issue Type: Improvement
>          Components: DUCC
>    Affects Versions: 1.1.0-Ducc
>            Reporter: Jim Challenger
>            Assignee: Jim Challenger
>             Fix For: 1.1.0-Ducc
>
>
> Original DUCC design said that non-preemptable shares could never be deallocated by RM
unless the owner canceled the work running in those shares, even if the underlying system
fails.
> Since then, job-jobs, services, and "managed reservations" have been defined to run in
non-preemptable shares.
> If RM detects node failure it should now include non-preemptable shares in the reaper,
as long as the shares are occupied by job-jobs, services, and MRs.  "Unmanaged"-reservations
continue to remain allocated forever, or until the owner releases them.



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