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https://issues.apache.org/jira/browse/MAPREDUCE-5497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated MAPREDUCE-5497:
-------------------------------

    Attachment: MAPREDUCE-5497.1.patch
    
> '5s sleep'  in MRAppMaster.shutDownJob is only needed before stopping 
> ClientService
> -----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5497
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5497
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: MAPREDUCE-5497.1.patch, MAPREDUCE-5497.1.patch, 
> MAPREDUCE-5497.patch
>
>
> Since the '5s sleep' is for the purpose to let clients know the final states, 
> put it after other services are stopped and only before stopping 
> ClientService is enough. This can reduce some race conditions like 
> MAPREDUCE-5471

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