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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2884) Proxying all AM-RM communications
Date Thu, 20 Nov 2014 19:01:34 GMT
Carlo Curino created YARN-2884:
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             Summary: Proxying all AM-RM communications
                 Key: YARN-2884
                 URL: https://issues.apache.org/jira/browse/YARN-2884
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Carlo Curino


We introduce the notion of an RMProxy, running on each node (or once per rack). Upon start
the AM is forced (via tokens and configuration) to direct all its requests to a new services
running on the NM that provide a proxy to the central RM. 

This give us a place to:
1) perform distributed scheduling decisions
2) throttling mis-behaving AMs
3) mask the access to a federation of RMs



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