HDFS - RPC (protocol)

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A Remote Procedure Call (RPC) abstraction wraps both:

  • the Client Protocol (between the client and the namenode)
  • and the DataNode Protocol (between the namenode and the datanode)




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HDFS - Client Connection

A client establishes a connection to a configurable TCP port on the NameNode machine. It talks the ClientProtocol with the NameNode. A Remote Procedure Call (RPC) abstraction wraps both the Client Protocol...



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