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From Wandong Wu <>
Subject Some questions about RscDriver
Date Fri, 13 Jul 2018 03:28:22 GMT

I have some questions about How Livy communicate with Spark, and I am not very familiar with
Spark architecture. 

Within an interactive session, Livy communicate with Spark through RPC. According to some
architecture diagrams, LivyServer has a RscClient, and Spark has a RscDriver. My understanding
is that RscDriver is one of components belonging to Spark, and RscDriver has existed before
the Livy project was created. Is that right? 

I want to know how LivyServer communicates with Spark cluster 


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