[SR-Users] Re: rtp lost package in 300 concurrent calls and above

Kernel Interface table Iface MTU RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg ens160 1500 5703793 0 4033 0 5633784 0 0 0 BMRU lo 65536 32147 0 0 0 32147 0 0 0 LRU On Mon, Jan 16, 2023 at 7:55 PM Mohammad Reza Keshavarzianpoor < keshavarzianpoorm(a)gmail.com&gt; wrote: > yes I tried tcp dump and it says ubuntu is dropping packets > 618916 packets captured > 1242894 packets received by filter > 623578 packets dropped by kernel > so what should I do? > > On Mon, Jan 16, 2023 at 7:49 PM Henning Westerholt &lt;hw(a)gilawa.com&gt; wrote: > >> Hello, >> >> >> >> normally it’s not needed to set the num-threads* variables, there is >> some autodetection implemented. Why you want to run that many threads on a >> 4 core server? >> >> >> >> I would now look to your network configuration, maybe it needs some >> tuning. You can also get statistics about dropped packets etc.. with system >> tools. >> >> >> >> Cheers, >> >> >> >> Henning >> >> >> >> -- >> >> Henning Westerholt – https://skalatan.de/blog/ >> >> Kamailio services – https://gilawa.com >> >> >> >> *From:* Mohammad Reza Keshavarzianpoor &lt;keshavarzianpoorm(a)gmail.com&gt; >> *Sent:* Monday, January 16, 2023 5:16 PM >> *To:* Henning Westerholt &lt;hw(a)gilawa.com&gt; >> *Cc:* sr-users(a)lists.kamailio.org >> *Subject:* Re: [SR-Users] rtp lost package in 300 concurrent calls and >> above >> >> >> >> Hi, >> >> Sure, Thanks, >> >> I installed rtpengine. default rtpengin.conf and after uncommenting >> these: >> >> num-threads = 16 >> num-media-threads = 8 >> http-threads = 4 >> >> in that, the same result is its working well for first 300-400 call. but >> after that packet lose starts. >> >> cpu load increased to 30% on all 4 cores. >> >> any advice about rtpengine.conf to better result? >> >> >> >> Thanks for your help >> >> >> >> On Mon, Jan 16, 2023 at 6:09 PM Henning Westerholt &lt;hw(a)gilawa.com&gt; >> wrote: >> >> Hello, >> >> >> >> please keep the list in CC. >> >> >> >> Ok, the machine seems to not really using all its cores. Regarding >> playing a file, this can be also done with rtpengine: >> >> >> https://kamailio.org/docs/modules/5.5.x/modules/rtpengine.html#rtpengine.f.… >> >> >> >> Cheers, >> >> >> >> Henning >> >> >> >> -- >> >> Henning Westerholt – https://skalatan.de/blog/ >> >> Kamailio services – https://gilawa.com >> >> >> >> *From:* Mohammad Reza Keshavarzianpoor &lt;keshavarzianpoorm(a)gmail.com&gt; >> *Sent:* Monday, January 16, 2023 3:35 PM >> *To:* Henning Westerholt &lt;hw(a)gilawa.com&gt; >> *Subject:* Re: [SR-Users] rtp lost package in 300 concurrent calls and >> above >> >> >> >> thanks for your reply >> >> my kamailio server has 8GB of ram and 4core*2.6 on esxi(dedicated)Ubuntu >> 22.04.1 LTS. is it low? htop on server shows load average 1.04 at max and I >> didn't see more than 10% load on any core of the server. >> >> I've selected rtp media server because of playback of a voice file over >> incoming calls in the future usage >> >> >> >> On Mon, Jan 16, 2023 at 5:45 PM Henning Westerholt &lt;hw(a)gilawa.com&gt; >> wrote: >> >> Hello, >> >> >> >> do you observe (too) high load on the system with the standard system >> management tools? >> >> If you want to just proxy calls, my recommendation would be to use >> rtpengine. Here you should be able to achieve higher concurrent calls >> rates, if you have a few CPUs on a decent machine. >> >> >> >> Cheers, >> >> >> >> Henning >> >> >> >> -- >> >> Henning Westerholt – https://skalatan.de/blog/ >> >> Kamailio services – https://gilawa.com >> >> >> >> *From:* Mohammad Reza Keshavarzianpoor &lt;keshavarzianpoorm(a)gmail.com&gt; >> *Sent:* Monday, January 16, 2023 2:50 PM >> *To:* sr-users(a)lists.kamailio.org >> *Subject:* [SR-Users] rtp lost package in 300 concurrent calls and above >> >> >> >> Hi, >> >> I've installed last version of kamailio over ubuntu. I need to broadcast >> machine calls to destinations. my concurrent call should be around 300(my >> pstn channels), so I start calls with cps around 20, because my calls >> contains a less than 30 second and if destination answer the call it will >> hanged up in less than or equal to 30 seconds. >> >> My problem is: to test my kamailio config, I'm using startrinity sip >> tester over an win server 2019 on local network. and it shows about 20% >> lost package on rtp and a jitter about 500ms. what should I do? my config >> is based on rtp media server module. Is there a complete working sample >> config for kamailio with rtp media server module? >> >> I tried rtpproxy and rtp engine in past and the same problem happened. >> >> Thanks for any help you can provide >> >> Best regards >> >>