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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2749) [MR-279] NM registers with RM even before it starts various servers
Date Thu, 08 Sep 2011 17:28:08 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Graves updated MAPREDUCE-2749:
-------------------------------------

    Attachment: MAPREDUCE-2749-v3.patch

review comments addressed.

> [MR-279] NM registers with RM even before it starts various servers
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2749
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2749
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Thomas Graves
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2749-v2.patch, MAPREDUCE-2749-v3.patch, MAPREDUCE-2749.patch
>
>
> In case NM eventually fails to start the ContainerManager server because of say a port
clash, RM will have to wait for expiry to detect the NM crash.
> It is desirable to make NM register with RM only after it can start all of its components
successfully.

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