September 2000
Beginner
1312 pages
33h 47m
English
Content preview from Solaris™ 8 System Administrator's Reference
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spray — Spray Packets
Synopsis
/usr/sbin/spray [-c count][-d delay][-l length][-t nettype] host
Description
If an NFS server is hit with more packets than it can receive through its network interface, some client requests are lost and eventually retransmitted. Use the spray command to gauge network interface capacity by sending a one-way stream of packets to host, using RPC, and reporting the number received and the transfer rate. The host argument can be either a name or an Internet address.
You can use spray to exercise combinations of client and server systems with varying packet sizes to identify cases where a client can race ahead of its server.
spray is not useful as a networking benchmark because it uses unreliable connectionless transports, ...
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