<div dir="ltr">Hi,<div><br></div><div>I am doing load testing with of Kamailio. I have sipp (version 3.3) as the load generator,Kamailio(4.2.7) as Load Balancer and Freeswitch (1.6.5) as Gateways.</div><div><br></div><div>I am using the following command to generate load </div><div>./sipp -sf uac.xml -d 2000 -m 4000 -l 1000 -r 200 -trace_stat -i SIPP_IP -p 15060 --trace_err -trace_error_codes -trace_calldebug -trace_screen KAM_IP<br></div><div><br></div><div>When the rate of generation is below 80 (-r 80), Kamailio behaves fine.But if we go beyond 80, Kamailio starts sending "500 Service Unavailable"</div><div><br></div><div><div>2016-01-12 11:18:15.375103 1452577695.375103: Aborting call on unexpected message for Call-Id '96-32493@SIPP_IP': while expecting '180' (index 2), received 'SIP/2.0 500 Service Unavailable^M</div><div>Via: SIP/2.0/UDP SIPP_IP:15060;branch=z9hG4bK-32493-96-0^M</div><div>From: sipp <sip:sipp@SIPP_IP:15060>;tag=96^M</div><div>To: sut <sip:service@KAM_IP:5060>;tag=55f576f507e822fa6633cf4bc22740e6-6660^M</div><div>Call-ID: 96-32493@SIPP_IP^M</div><div>CSeq: 1 INVITE^M</div><div>Server: kamailio (4.2.7 (x86_64/linux))^M</div><div>Content-Length: 0^M</div></div><div><br></div><div>With the above command, sipp output is </div><div><br></div><div><div>----------------------------- Statistics Screen ------- [1-9]: Change Screen --</div><div> Start Time | 2016-01-12<span class="" style="white-space:pre"> </span>11:26:07.723764<span class="" style="white-space:pre"> </span>1452578167.723764</div><div> Last Reset Time | 2016-01-12<span class="" style="white-space:pre"> </span>11:27:16.280901<span class="" style="white-space:pre"> </span>1452578236.280901</div><div> Current Time | 2016-01-12<span class="" style="white-space:pre"> </span>11:27:16.282737<span class="" style="white-space:pre"> </span>1452578236.282737</div><div>-------------------------+---------------------------+--------------------------</div><div> Counter Name | Periodic value | Cumulative value</div><div>-------------------------+---------------------------+--------------------------</div><div> Elapsed Time | 00:00:00:001000 | 00:01:08:558000</div><div> Call Rate | 0.000 cps | 58.345 cps</div><div>-------------------------+---------------------------+--------------------------</div><div> Incoming call created | 0 | 0</div><div> OutGoing call created | 0 | 4000</div><div> Total Call created | | 4000</div><div> Current Call | 0 |</div><div>-------------------------+---------------------------+--------------------------</div><div> Successful call | 0 | 1192</div><div> Failed call | 0 | 2808</div><div>-------------------------+---------------------------+--------------------------</div><div> Response Time 1 | 00:00:00:000000 | 00:00:15:102000</div><div> Call Length | 00:00:00:000000 | 00:00:10:614000</div><div>------------------------------ Test Terminated --------------------------------</div></div><div><br></div><div>Kamailio is run with command /usr/local/sbin/kamailio -f /usr/local/etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 512 -M 8 -u kamailio -g kamailio</div><div><br></div><div><div>version: kamailio 4.2.7 (x86_64/linux) 727746</div><div>flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES</div><div>ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB</div><div>poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.</div><div>id: 727746</div><div>compiled on 15:59:03 Jan 11 2016 with gcc 4.6.3</div></div><div><br></div><div>System : Ubuntu 12.04.4 LTS<br></div><div>Linux devops10-60-20-169 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:39:31 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux<br></div><div><br></div><div>I am not seeing any errors in Kamailio Logs.</div><div><br></div><div>Any pointers on how to get it to serve more calls/sec</div><div><br></div><div>Regards,</div><div>Sandeep</div><div><br clear="all"><div><div class="gmail_signature">The most profound statements are often said in silence. <br>-Lynn Johnston </div></div>
</div></div>