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hello<br><br>> What are the number of children you have in config? <br>fork=yes<br>children=4<br><br>> Do you get any error messages in the syslog?<br>not getting any error message in /var/log/syslog<br><br><br>Thanks,<br>Ali<br><br><br>> Date: Wed, 11 Feb 2009 17:21:46 +0200<br>> From: miconda@gmail.com<br>> To: alex_rsm@hotmail.com<br>> CC: users@lists.kamailio.org<br>> Subject: Re: [Kamailio-Users] UDP packet loss<br>> <br>> Hello,<br>> <br>> On 02/11/2009 04:51 PM, Alex R.S.M wrote:<br>> > Hi,<br>> ><br>> > I am performing SIP to SIP performance testing using Kamailio proxy <br>> > (UAC-Kamailio-UAC). After increasing the load to 300 calls/sec <br>> > Kamailio begins dropping UDP packets. (250 cps works fine). CPU <br>> > utilization and network bandwidth looks fine. I think the bottleneck <br>> > is the Linux UDP buffer size of the proxy server. Here is the proxy <br>> > server information:<br>> kamailio autodetects and sets the buffer size to the maximum allowed. <br>> What are the number of children you have in config? Do you get any error <br>> messages in the syslog?<br>> <br>> Cheers,<br>> Daniel<br>> <br>> ><br>> > $ uname -a<br>> > Linux lab-linux01 2.6.24-19-server #1 SMP Wed Jun 18 14:44:47 UTC 2008 <br>> > x86_64 GNU/Linux<br>> ><br>> > $ sudo sysctl -a | grep net.core.rmem_max<br>> > net.core.rmem_max = 131071<br>> ><br>> ><br>> > The question is if I increase the linux UDP buffer size do I need to <br>> > change any configuartion parameter (like MAX_RECV_BUFFER_SIZE) in <br>> > Kamailio?<br>> ><br>> > Thanks,<br>> > Alex R<br>> ><br>> ><br>> > ------------------------------------------------------------------------<br>> > Windows Live™: Keep your life in sync. See how it works. <br>> > <http://windowslive.com/howitworks?ocid=TXT_TAGLM_WL_t1_allup_howitworks_022009> <br>> ><br>> > ------------------------------------------------------------------------<br>> ><br>> > _______________________________________________<br>> > Kamailio (OpenSER) - Users mailing list<br>> > Users@lists.kamailio.org<br>> > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users<br>> > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users<br>> <br>> -- <br>> Daniel-Constantin Mierla<br>> http://www.asipto.com<br>> <br><br /><hr />Windows Live™: E-mail. Chat. Share. Get more ways to connect. <a href='http://windowslive.com/explore?ocid=TXT_TAGLM_WL_t2_allup_explore_022009' target='_new'>Check it out.</a></body>
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