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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-119) Add support for static service lifecycle listeners .
Date Wed, 28 Nov 2012 17:03:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505652#comment-13505652
] 

Hadoop QA commented on YARN-119:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12518462/MAPREDUCE-3995.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/184//console

This message is automatically generated.
                
> 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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