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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2743) [MR-279] [Security] AM should not be able to abuse container tokens for repetitive container launches
Date Mon, 27 Aug 2012 21:01:08 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-2743:
-----------------------------------------------

    Issue Type: Bug  (was: Sub-task)
        Parent:     (was: MAPREDUCE-3101)
    
> [MR-279] [Security] AM should not be able to abuse container tokens for repetitive container
launches
> -----------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2743
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2743
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Blocker
>
> ApplicationMaster should not be able to store container tokens and use the same set of
tokens for repetitive container launches. The possibility of such abuse is there in the current
code, we need to fix this.
> A cache of recent containers on the NM along with container token expiry time should
solve this.

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