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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6355) Interceptor framework for the YARN ApplicationMasterService
Date Thu, 16 Mar 2017 21:15:41 GMT
Arun Suresh created YARN-6355:

             Summary: Interceptor framework for the YARN ApplicationMasterService
                 Key: YARN-6355
                 URL: https://issues.apache.org/jira/browse/YARN-6355
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Arun Suresh
            Assignee: Arun Suresh

Currently on the NM, we have the {{AMRMProxy}} framework to intercept the AM <-> RM
communication and enforce policies. This is used both by YARN federation (YARN-2915) as well
as Distributed Scheduling (YARN-2877).

This JIRA proposes to introduce a similar framework on the the RM side, so that pluggable
policies can be enforced on ApplicationMasterService centrally as well.

This would be similar in spirit to a Java Servlet Filter Chain. Where the order of the interceptors
can declared externally.

Once possible usecase would be:
the {{OpportunisticContainerAllocatorAMService}} is implemented as a wrapper over the {{ApplicationMasterService}}.
It would probably be better to implement it as an Interceptor.

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