rpc.sprayd is a server that records the packets sent by spray(1M).
The rpc.sprayd daemon may be started by inetd(1M) or listen(1M).
The service provided by rpc.sprayd is not useful as a networking benchmark as it uses unreliable connectionless transports, (udp for example). It can report a large number of packets
dropped when the drops were caused by the program sending packets faster than they can be buffered locally (before the packets get to the network medium).
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