On Wednesday 11 February 2009, Alex R.S.M wrote: > I am performing SIP to SIP performance testing using Kamailio proxy > (UAC-Kamailio-UAC). After increasing the load to 300 calls/sec Kamailio > begins dropping UDP packets. (250 cps works fine). CPU utilization and > network bandwidth looks fine. I think the bottleneck is the Linux UDP > buffer size of the proxy server. Here is the proxy server information: > > $ uname -a > Linux lab-linux01 2.6.24-19-server #1 SMP Wed Jun 18 14:44:47 UTC 2008 > x86_64 GNU/Linux > > $ sudo sysctl -a | grep net.core.rmem_max > net.core.rmem_max = 131071 > > > The question is if I increase the linux UDP buffer size do I need to change > any configuartion parameter (like MAX_RECV_BUFFER_SIZE) in Kamailio?
Hi Alex, we're using a bigger rmem_max size, and not increased the MAX_RECV_BUFFER_SIZE. So far we don't have any problems. :-) The UDP receiver buffer is probed during the startup of the server. Cheers, Henning _______________________________________________ Kamailio (OpenSER) - Users mailing list [email protected] http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
