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https://issues.apache.org/jira/browse/MAPREDUCE-3028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132774#comment-13132774
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Santhosh Srinivasan commented on MAPREDUCE-3028:
------------------------------------------------

bq. With respect to the multiple urls, the only concern is that its not 
backwards compatible. Are Oozie folks ok with that?

The support for multiple URLs should NOT require changes to the existing 
mechanism. As long as the current configuration works as it stands today, Oozie 
should be fine with any other enhancements. 
                
> 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
>
>
> 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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