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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2475) ReservationSystem: replan upon capacity reduction
Date Fri, 29 Aug 2014 23:37:52 GMT

     [ https://issues.apache.org/jira/browse/YARN-2475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Carlo Curino updated YARN-2475:
-------------------------------

    Attachment: YARN-2475.patch

> ReservationSystem: replan upon capacity reduction
> -------------------------------------------------
>
>                 Key: YARN-2475
>                 URL: https://issues.apache.org/jira/browse/YARN-2475
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>         Attachments: YARN-2475.patch
>
>
> In the context of YARN-1051, if capacity of the cluster drops significantly upon machine
failures we need to trigger a reorganization of the planned reservations. As reservations
are "absolute" it is possible that they will not all fit, and some need to be rejected a-posteriori.
 



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