On 27/03/2017 21:15, Alex Balashov wrote: > You might be running into semi-invisible/not widely publicised (but > definitely very real) PPS limits on given instance sizes.
I assume you refer to AWS instance packets per second limits -- I was not aware of it, although I expected somehow. Has anyone encountered a similar situation and can share some numbers that they faced during past experiences? It would be useful to have in mind when dimensioning sip server deployments... Cheers, Daniel > > On March 27, 2017 3:09:56 PM EDT, Jade SZ <jitterbuf...@gmail.com> wrote: >> Hi Guys, >> >> I am running a simple REGISTER load test on: >> >> 1) Kamailio sever with 2 cores - mem 5G >> 2) Kamailio server with 4 cores - mem 16G >> >> Both are EC2 instances. >> >> At -r = 500 i.e. 500 reg/sec sipP test works fine with very few >> re-trans. >> But when i increase it to 800 reg/sec it starts retransmissions in >> bulk. >> >> I don't see server's CPU, load-avg or memory shooting. Running >> everything >> by default, even using kamctl to start the instance. So I have not >> tuned >> any params yet. >> >> My main concern is how can I make server choke and get its actual >> capacity, >> and avoid these retransmissions as apparently kamailio is not even >> utilizing 2 cores and CPU usage is under 10 always. >> >> Results of both server is same i.e. 500 reg/sec max so I am sure there >> is >> some problem that needs a fix, but need some hints here. >> >> Also used multiple SIPp's to rule out if it is SIPp issue, but after >> 500 I >> see same problem. >> >> >> Regards, >> JSZ > > -- Alex > > -- > Principal, Evariste Systems LLC (www.evaristesys.com) > > Sent from my Google Nexus. > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
