Hello, On 02/11/2009 05:43 PM, Alex R.S.M wrote: > hello > > > What are the number of children you have in config? > fork=yes > children=4 this is a bit low if you want to manage high traffic. Try with children=16 and see how the results are.
Cheers, Daniel > > > Do you get any error messages in the syslog? > not getting any error message in /var/log/syslog > > > Thanks, > Ali > > > > Date: Wed, 11 Feb 2009 17:21:46 +0200 > > From: [email protected] > > To: [email protected] > > CC: [email protected] > > Subject: Re: [Kamailio-Users] UDP packet loss > > > > Hello, > > > > On 02/11/2009 04:51 PM, Alex R.S.M wrote: > > > Hi, > > > > > > 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: > > kamailio autodetects and sets the buffer size to the maximum allowed. > > What are the number of children you have in config? Do you get any > error > > messages in the syslog? > > > > Cheers, > > Daniel > > > > > > > > $ 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? > > > > > > Thanks, > > > Alex R > > > > > > > > > > ------------------------------------------------------------------------ > > > Windows Live™: Keep your life in sync. See how it works. > > > > <http://windowslive.com/howitworks?ocid=TXT_TAGLM_WL_t1_allup_howitworks_022009> > > > > > > > > > ------------------------------------------------------------------------ > > > > > > _______________________________________________ > > > 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 > > > > -- > > Daniel-Constantin Mierla > > http://www.asipto.com > > > > ------------------------------------------------------------------------ > Windows Live™: E-mail. Chat. Share. Get more ways to connect. Check it > out. > <http://windowslive.com/explore?ocid=TXT_TAGLM_WL_t2_allup_explore_022009> -- Daniel-Constantin Mierla http://www.asipto.com _______________________________________________ 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
