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Posted to yarn-dev@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2013/01/14 17:16:14 UTC

[jira] [Created] (YARN-338) RM renews tokens even when maxDate will soon be exceeded

Daryn Sharp created YARN-338:
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             Summary: 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: Bug
          Components: resourcemanager
    Affects Versions: 2.0.0-alpha, 3.0.0, 0.23.3
            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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