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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (YARN-119) Add support for static service lifecycle listeners .
Date Sun, 23 Sep 2012 23:58:07 GMT

     [ https://issues.apache.org/jira/browse/YARN-119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli moved MAPREDUCE-3995 to YARN-119:
---------------------------------------------------------

          Component/s:     (was: mrv2)
    Affects Version/s:     (was: 0.23.1)
                           (was: 0.24.0)
                  Key: YARN-119  (was: MAPREDUCE-3995)
              Project: Hadoop YARN  (was: Hadoop Map/Reduce)
    
> Add support for  static service lifecycle listeners .
> -----------------------------------------------------
>
>                 Key: YARN-119
>                 URL: https://issues.apache.org/jira/browse/YARN-119
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>              Labels: management
>         Attachments: MAPREDUCE-3995.patch, MAPREDUCE-3995.patch, MAPREDUCE-3995.patch,
MAPREDUCE-3995.patch, MAPREDUCE-3995.patch, MAPREDUCE-3995.patch
>
>
> Add support to {{AbstractService}} that allow callers to register listeners for all instances.
The existing listener interface could be used. This allows management tools to hook into the
events.
> The static listeners would be invoked for all state changes except creation (base class
shouldn't be handing out references to itself at this point).
> These static events could all be async, pushed through a shared {{ConcurrentLinkedQueue}};
failures logged at warn and the rest of the listeners invoked.

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