On Mon, 05 Feb 2007 14:03:41 -0800, in sentex.lists.freebsd.questions you wrote:
> > I suppose my concerns are two-fold. Why is 6.x collapsing under traffic >that 4.11 could easily block and run merrily along with, and is there a >queueing mechanism in place that doesn't tie up the box so much on >inbound flows that it ignores all other relevant traffic? > >(as a note, all tests were done with device polling enabled. Without it >systems fall over pretty quickly. I also tried tests using 3com cards >and had the same results) On the 6.x box, try enabling adding to /etc/sysctl.conf kern.polling.enable=1 net.inet.ip.fastforwarding=1 kern.polling.idle_poll=1 kern.random.sys.harvest.ethernet=0 and in /boot/loader.conf, add kern.hz="2000" Also removing options ADAPTIVE_GIANT # Giant mutex is adaptive. from the kernel helps a bit as well. with kern.polling.idle_poll=1 your load avg will be messed up but it should help performance a bit. As for firewall rules, things really seem to fall down performance wise, as compared to RELENG_4. I havent found a way to improve that performance.... However, on the plus side, an extra core does seem to help a bit with the box remaining responsive. For NICs, stay with em or bge nics for now in RELENG_6 I have some misc test results at http://www.tancsa.com/blast.html ---Mike -------------------------------------------------------- Mike Tancsa, Sentex communications http://www.sentex.net Providing Internet Access since 1994 [EMAIL PROTECTED], (http://www.tancsa.com) _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"