On Wed, Jul 29, 2009 at 11:27 PM, Evgeny Yurchenko < [email protected]> wrote:
> *From:* Lenny [mailto:[email protected]] > *Sent:* July 29, 2009 3:38 PM > > Evgeny Yurchenko wrote: > > **** > > I would try to swap cables and interfaces in config and see errors. Do they > go to em0? stay on em1? It's pointless trying to fix tcp/ip without > eliminating problem on media. > > Eugene. > > That's all understandable when speaking of errors and packet loss, but > would it really cause the CPU hit 100% at 50kpps? > both em0 and em1? > > By the way, it worked for 3 weeks with regular load (about 10kpps) and the > CPU was around 20%(each) and there were no errors. > > Lenny. > > 10kpps - 20% CPU > 50kpps - 100% CPU > looks like we have some logic here. I've looked at my graphs - there is no > relation between cpu load and pps. Do you have this relation? Not talking > about your extreme case 50kpps, generally - when load fluctuates let's say > 10 to 15kpps, does you cpu load also goes higher/lower? > > I experienced 100% CPU only in two cases: > 1) Multicast went from LAN to WAN and caused storm (in carped setup) > 2) There is known bug with slbd. > > Eugene > > I'm attaching links to the RRD graphs from the same period. http://img119.imageshack.us/img119/1573/statusrrdgraphimgcpu.png http://img253.imageshack.us/img253/4677/statusrrdgraphimgpacket.png http://img248.imageshack.us/img248/4779/statusrrdgraphimgtraffi.png http://img75.imageshack.us/img75/168/statusrrdgraphimgqualit.png Lenny.
