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From "Ravi Prakash (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3028) Support job end notification in .next /0.23
Date Sun, 23 Oct 2011 00:30:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13133526#comment-13133526
] 

Ravi Prakash commented on MAPREDUCE-3028:
-----------------------------------------

On an unpatched trunk TestRMContainerAllocator#testBlackListedNodes is failing. The test failure
is unrelated to this patch. Since the trunk compilation was broken, I wasn't able to run test-patch
to check the javadoc -1.
                
> Support job end notification in .next /0.23
> -------------------------------------------
>
>                 Key: MAPREDUCE-3028
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3028
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Ravi Prakash
>            Priority: Blocker
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-3028.branch-0.23.patch, MAPREDUCE-3028.patch, MAPREDUCE-3028.patch,
MAPREDUCE-3028.patch, MAPREDUCE-3028.patch, MAPREDUCE-3028.patch
>
>
> Oozie primarily depends on  the job end notification to determine when the job finishes.
In the current version,  job end notification is implemented in job tracker. Since job tracker
will be removed in the upcoming hadoop release (.next), we wander where this support will
move. I think this best effort notification could be implemented in the new Application Manager
as one of the last step of job completion.
> Whatever implementation will it be, Oozie badly needs this feature to be continued in
next releases as well.
>  

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