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Posted to yarn-issues@hadoop.apache.org by "Jian He (JIRA)" <ji...@apache.org> on 2014/05/06 05:53:16 UTC

[jira] [Updated] (YARN-2001) Threshold for RM to accept requests from AM after failover

     [ https://issues.apache.org/jira/browse/YARN-2001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jian He updated YARN-2001:
--------------------------

    Summary: Threshold for RM to accept requests from AM after failover  (was: Persist NMs info for RM restart)

> Threshold for RM to accept requests from AM after failover
> ----------------------------------------------------------
>
>                 Key: YARN-2001
>                 URL: https://issues.apache.org/jira/browse/YARN-2001
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>
> RM should not accept allocate requests from AMs until all the NMs have registered with RM. For that, RM needs to remember the previous NMs and wait for all the NMs to register.
> This is also useful for remembering decommissioned nodes across restarts.



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