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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-338) RM renews tokens even when maxDate will soon be exceeded
Date Mon, 06 May 2013 22:14:16 GMT

     [ https://issues.apache.org/jira/browse/YARN-338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated YARN-338:
-----------------------------------------

    Issue Type: Sub-task  (was: Bug)
        Parent: YARN-47
    
> RM renews tokens even when maxDate will soon be exceeded
> --------------------------------------------------------
>
>                 Key: YARN-338
>                 URL: https://issues.apache.org/jira/browse/YARN-338
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 0.23.3, 3.0.0, 2.0.0-alpha
>            Reporter: Daryn Sharp
>
> The RM will renew tokens 90% of the way to the next expiration.  When the max lifetime
is approaching, the next expiration is always the max lifetime.  The RM starts to unnecessarily
renew more and more frequent as that hard limit approaches.  The RM should stop renewing when
the last expiration matches the new expiration.

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