On 21.12.2010 02:44, Lev Serebryakov wrote: > Hello, Eugene. > You wrote 20 декабря 2010 г., 22:42:41: > >>> Is it normal, that 2.2GHz core is needed to saturate 1Gib link with >>> only one client (and one TCP connction), or I have something >>> misconfigured? >> Compare with ftpd that uses sendfile() kernel function. > simple "iperf" shows almost same load (slightly less, but it shows > slightly less speed, about 800Mbit). >
iperf is bad tool IMHO, it abuses gettimeofday() system call and wastes too much CPU time. Compare with ftpd that uses sendfile() kernel function. Eugene Grosbein _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"