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From "Omkar Vinit Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-62) AM should not be able to abuse container tokens for repetitive container launches
Date Fri, 21 Jun 2013 22:12:23 GMT

    [ https://issues.apache.org/jira/browse/YARN-62?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13690805#comment-13690805
] 

Omkar Vinit Joshi commented on YARN-62:
---------------------------------------

Right now on NM we start container only when we receive valid container token (which also
contains expiration time). Using this expiration time to uniquely identify container as it
is tightly coupled to container-id with one to many mapping between expiration time and container-ids.
                
> AM should not be able to abuse container tokens for repetitive container launches
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-62
>                 URL: https://issues.apache.org/jira/browse/YARN-62
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 0.23.3, 2.0.0-alpha
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Omkar Vinit Joshi
>
> Clone of YARN-51.
> 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, for a duration of 1d+10mins, we need to fix this.

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