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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5634) Simplify initialization/use of RouterPolicy via a RouterPolicyFacade
Date Wed, 09 Nov 2016 00:20:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15649307#comment-15649307
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Carlo Curino commented on YARN-5634:
------------------------------------

The current patch is rebased after YARN-5391 got in. I also extended the test coverage (spotted
and fixed a potential, though not likely, NPE in FederationStateStoreFacade) and added a PriorityBroadcastPolicyManager
to experiment with simple and different router policies.

> Simplify initialization/use of RouterPolicy via a RouterPolicyFacade 
> ---------------------------------------------------------------------
>
>                 Key: YARN-5634
>                 URL: https://issues.apache.org/jira/browse/YARN-5634
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>    Affects Versions: YARN-2915
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>              Labels: oct16-medium
>         Attachments: YARN-5634-YARN-2915.01.patch, YARN-5634-YARN-2915.02.patch
>
>
> The current set of policies require some machinery to (re)initialize based on changes
in the SubClusterPolicyConfiguration. This JIRA tracks the effort to hide much of that behind
a simple RouterPolicyFacade, making lifecycle and usage of the policies easier to consumers.



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