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From "Sailesh Mukil (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IMPALA-5744) Add dummy 'use_krpc' flag and create abstract DataStream interface
Date Mon, 31 Jul 2017 22:33:00 GMT
Sailesh Mukil created IMPALA-5744:
-------------------------------------

             Summary: Add dummy 'use_krpc' flag and create abstract DataStream interface
                 Key: IMPALA-5744
                 URL: https://issues.apache.org/jira/browse/IMPALA-5744
             Project: IMPALA
          Issue Type: Task
          Components: Distributed Exec
            Reporter: Sailesh Mukil
            Assignee: Sailesh Mukil
            Priority: Critical


Since we are planning to move our RPC stack to KRPC, an initial step is to create a 'use_krpc'
startup flag that will allow a user to switch between KRPC and Thrift according to their requirements.

This patch should introduce this flag as a dummy flag and create an abstract interface for
the DataStreamSender/Recvr/Mgr.

Once the KRPC code is ready, it can inherit from this interface and add its own implementation
of DataStream*.



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