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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4438) Add client side for Unmanaged-AMs (MAPREDUCE-4427)
Date Mon, 20 Aug 2012 18:35:38 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-4438:
-----------------------------------------------

    Summary: Add client side for Unmanaged-AMs (MAPREDUCE-4427)  (was: Add client side for
UnmanagedRM)
    
> Add client side for Unmanaged-AMs (MAPREDUCE-4427)
> --------------------------------------------------
>
>                 Key: MAPREDUCE-4438
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4438
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>         Attachments: MAPREDUCE-4438-1.patch, MAPREDUCE-4438-2.patch, MAPREDUCE-4438-3.patch
>
>
> MAPREDUCE-4427 added server side support for umanaged AM's. This tracks creating client
side supporting pieces.
> The basic flow of the client is as follows
> 1) accepts a cmd line for the AM. Optional queue information etc.
> 2) negotiates an application id with the RM and submits the unmanaged AM.
> 3) waits for the AM to reach YarnApplicationState ACCEPTED
> 4) then launches the AM in a separate process via the cmd provided. It communicated application
attempt id to the AM via env variable. Stdout and stderr is redirected to the clients streams
respectively.
> 5) waits for the AM process to exit and RM app to complete.

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