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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3660) Federation Global Policy Generator (load balancing)
Date Sat, 16 May 2015 00:41:00 GMT
Carlo Curino created YARN-3660:

             Summary: Federation Global Policy Generator (load balancing)
                 Key: YARN-3660
                 URL: https://issues.apache.org/jira/browse/YARN-3660
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Carlo Curino
            Assignee: Subru Krishnan

In a federated environment, local impairments of one sub-cluster might unfairly affect users/queues
that are mapped to that sub-cluster. A centralized component (GPG) runs out-of-band and edits
the policies governing how users/queues are allocated to sub-clusters. This allows us to enforce
global invariants (by dynamically updating locally-enforced invariants).

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