On Wed, Aug 03, 2005 at 01:49:32PM +1000, Dave+Seddon wrote: > Greetings, > > I'm trying to do some performance testing of a content filtering system, so > I'm trying to get very high HTTP throughput. I've got 4 * HP DL380s with > 3.4G Xeon processors (hyper threading) and 1 G RAM, 2 onboard BGEs, and 2 * > 2 port EM. Using FreeBSD5.4-stable (as of 2005/08/02) and device polling, > I've configured a large number (246) VLAN interfaces on two machines, and > have apache on one box and siege on the other. Using 'siege -f > /home/my_big_list_of_urls -c 50 --internet' one host does a large number of > request from the other machine. I've been trying to tune for maximum > performance and have been using lots of examples for /etc/sysctl.conf and so > on from the web. Adjusting these settings and running the siege, I've found > the apache server completely loses network connectivity when device polling > is enabled. I've adjusted the HZ lots and found the system survives the > longest set a 15000 (yes it seems very large doesn't it). The problem now > seems to be that I'm running out of mbufs: > > -------------------------------------- > 4294264419 mbufs in use > 4294866740/2147483647 mbuf clusters in use (current/max)
This is a FAQ..see the release errata. The short answer is that it's not a real leak, only a leak in the stats. This is fixed in 7.0 and might be fixed in 6.0-RELEASE. Kris _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
