Hello, as a part of my diploma thesis I'm trying to do some performance testing of opensips running on low cost machine with 4GB of RAM and dual-core AMD Athlon processor. As a generator of SIP traffic I use SIPp v3.1 running on 4 virtual computers as UAC and two computers as UAS all connected just by gigabit ports of a single switch. My proublem is, that as soon as I reach the load of 200 calls per second (2000 simultaneous calls) many of those calls (aroud 50%) don't finish succesfully. CPU utilization of opensips machine is around 40% and memory around 25%, so the opensips has still a lot of free resources, but it doesn't use them. Could you please advise me, how to change default configuration script and opensips settings to achieve better results?
Right now, the only changes I made is : -enabling registrar/proxy authentication; -disabled tcp, since all the traffic is carried by udp; -set shared memory to 2048 MB; -set number of children to 16 -limit debug level to 1 PS. How can I increase the time, after which opensips retransmits SIP messages? Thanks in advance, Jan _______________________________________________ Users mailing list Users@lists.opensips.org http://lists.opensips.org/cgi-bin/mailman/listinfo/users