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From "Omkar Vinit Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-617) In unsercure mode, AM can fake resource requirements
Date Wed, 15 May 2013 21:01:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13658813#comment-13658813
] 

Omkar Vinit Joshi commented on YARN-617:
----------------------------------------

Thanks vinod..

bq. ContainerManager.getContainerTokenIdentifier should be changed to throw only YarnRemoteException,
we only throw that at the YARN layer
Fixed ..using RPCUtil.getRemoteException

bq. I still don't understand the DEL changes in TestNodeManagerReboot. You haven't given any
explanation. Don't think they are needed.
My bad... I had reverted the change ..but there were formatting issues which showed up in
diff.. Fixed..

                
> In unsercure mode, AM can fake resource requirements 
> -----------------------------------------------------
>
>                 Key: YARN-617
>                 URL: https://issues.apache.org/jira/browse/YARN-617
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Omkar Vinit Joshi
>            Priority: Minor
>         Attachments: YARN-617.20130501.1.patch, YARN-617.20130501.patch, YARN-617.20130502.patch,
YARN-617-20130507.patch, YARN-617.20130508.patch, YARN-617-20130513.patch, YARN-617-20130515.patch
>
>
> Without security, it is impossible to completely avoid AMs faking resources. We can at
the least make it as difficult as possible by using the same container tokens and the RM-NM
shared key mechanism over unauthenticated RM-NM channel.
> In the minimum, this will avoid accidental bugs in AMs in unsecure mode.

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