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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5497) '5s sleep' in MRAppMaster.shutDownJob is only needed before stopping ClientService
Date Wed, 11 Sep 2013 00:41:52 GMT

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

Vinod Kumar Vavilapalli updated MAPREDUCE-5497:
-----------------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.1.1-beta
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Committed this to trunk, branch-2 and branch-2.1. Thanks Jian!
                
> '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
>             Fix For: 2.1.1-beta
>
>         Attachments: MAPREDUCE-5497.1.patch, MAPREDUCE-5497.1.patch, MAPREDUCE-5497.2.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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