Hello, Eugene. You wrote 21 декабря 2010 г., 9:19:46:
>>>> 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. system ftpd twice slower (or I can not find good FTP client for Windowsn -- I've tried FAR, wget/cygwin and "native" ftp), but load is significally less. On the other hand, when I rebuilt kernelk wit DEVICE_POLLING and turned polling on, load decrease to 10-15% of one core in case of samba :) -- // Black Lion AKA Lev Serebryakov <l...@serebryakov.spb.ru> _______________________________________________ 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"
