CentOS 7.0 - man page for rstream (centos section 1)

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RSTREAM(1)				    librdmacm				       RSTREAM(1)

       rstream - streaming over RDMA ping-pong test.

       rstream [-s server_address] [-b bind_address] [-B buffer_size]
		      [-I iterations] [-C transfer_count]
		      [-S transfer_size] [-p server_port] [-T test_option]

       Uses  the  streaming  over  RDMA protocol (rsocket) to connect and exchange data between a
       client and server application.

       -s server_address
	      The network name or IP address of the server system listening for connections.  The
	      used name or address must route over an RDMA device.  This option must be specified
	      by the client.

       -b bind_address
	      The local network address to bind to.

       -B buffer_size
	      Indicates the size of the send and receive network buffers.

       -I iterations
	      The number of times that the specified number of messages will be exchanged between
	      the client and server.  (default 1000)

       -C transfer_count
	      The  number of messages to transfer from the client to the server and back again on
	      each iteration.  (default 1)

       -S transfer_size
	      The size of each send transfer, in bytes.  (default 1000)  If 'all'  is  specified,
	      rstream will run a series of tests of various sizes.

       -p server_port
	      The server's port number.

       -T test_option
	      Specifies test parameters.  Available options are:

       s | socket  - uses standard socket calls to transfer data

       a | async - uses asynchronous operation (e.g. select / poll)

       b | blocking - uses blocking calls

       f | fork - fork server processing (forces -T s option)

       n | nonblocking - uses non-blocking calls

       v | verify - verifies data transfers

       Basic  usage  is to start rstream on a server system, then run rstream -s server_name on a
       client system.  By default, rstream will run a series of latency and bandwidth performance
       tests.	Specifying  a  different  iterations, transfer_count, or transfer_size will run a
       user customized test using default values where none have been specified.

       Because this test maps RDMA resources to userspace,  users  must  ensure  that  they  have
       available system resources and permissions.  See the libibverbs README file for additional


librdmacm				    2011-11-16				       RSTREAM(1)

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