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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3995) Add support for static service lifecycle listeners .
Date Sat, 10 Mar 2012 19:18:57 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226931#comment-13226931
] 

Hadoop QA commented on MAPREDUCE-3995:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12517859/MAPREDUCE-3995.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2033//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2033//console

This message is automatically generated.
                
> Add support for  static service lifecycle listeners .
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-3995
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3995
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2
>    Affects Versions: 0.23.1, 0.24.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: 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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