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Posted to yarn-issues@hadoop.apache.org by "Kuhu Shukla (JIRA)" <ji...@apache.org> on 2015/09/25 17:58:05 UTC

[jira] [Assigned] (YARN-342) RM doesn't retry token renewals

     [ https://issues.apache.org/jira/browse/YARN-342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kuhu Shukla reassigned YARN-342:
--------------------------------

    Assignee: Kuhu Shukla

> RM doesn't retry token renewals
> -------------------------------
>
>                 Key: YARN-342
>                 URL: https://issues.apache.org/jira/browse/YARN-342
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 3.0.0, 2.0.0-alpha, 0.23.6
>            Reporter: Daryn Sharp
>            Assignee: Kuhu Shukla
>            Priority: Critical
>
> The RM stops trying to renew tokens if any exception occurs during the renew.  This should be changed to abort only if the exception is {{InvalidToken}} to allow resilience to transient network failures, issues associated with aborted connections when the NN is overloaded, cluster upgrades, etc.



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