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https://issues.apache.org/jira/browse/IMPALA-5744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sailesh Mukil resolved IMPALA-5744.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.10.0

Commit in:
https://github.com/apache/incubator-impala/commit/d3a6b0bf2da1fba883b10c570ce98aff61d1b034

> Add dummy 'use_krpc' flag and create 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
>             Fix For: Impala 2.10.0
>
>
> 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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