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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-279) Generalize RM token management
Date Fri, 21 Dec 2012 17:01:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13538212#comment-13538212
] 

Alejandro Abdelnur commented on YARN-279:
-----------------------------------------

Daryn, apologies, didn't mean to confuse you, 6 months is 'reasonable' expiration time most
countries ask when you enter the country. Reasonable in this case would be a few hours if
not several minutes.
                
> Generalize RM token management
> ------------------------------
>
>                 Key: YARN-279
>                 URL: https://issues.apache.org/jira/browse/YARN-279
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 3.0.0, 2.0.0-alpha, 0.23.5
>            Reporter: Daryn Sharp
>
> Token renewal/cancelation in the RM presents challenges to support arbitrary tokens.
 The RM's CLASSPATH is currently required to have token renewer classes and all associated
classes for the project's client.  The logistics of having installs on the RM of all hadoop
projects that submit jobs - just to support client connections to renew/cancel tokens - are
untenable.

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