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From "Alejandro Abdelnur (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3028) Support job end notification in .next /0.23
Date Tue, 18 Oct 2011 16:01:10 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13129816#comment-13129816
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Alejandro Abdelnur commented on MAPREDUCE-3028:
-----------------------------------------------

Wouldn't make more sense to have the jobhistory service to do the notification? Then regardless
of the AM implementation it would be done. And, as I've suggested before I think we should
change from push to pull (a la RSS feed).
                
> 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
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Ravi Prakash
>            Priority: Blocker
>             Fix For: 0.23.0
>
>
> 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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