Absolutely using wireshark to capture all RTP traffic for analysing is very challengeable because the size of capture file is very huge. So i have used -C option to spilite to multiple pcap file. I shared a picture of it: https://www.linkedin.com/posts/mojtaba-esfandiari_kamailio-kamailioworld-activity-6605747231586947072-M_x9
The result of you get is strange! On Tue, Jan 7, 2020 at 1:24 PM davy van de moere < [email protected]> wrote: > Using wireshark, I get a jitter still smaller than 1ms. You have efficient > ways to measure that? > > Op di 7 jan. 2020 om 10:43 schreef Mojtaba <[email protected]>: > >> Yes, I reached 3000 channels in kernel mode with about 25% usage of one >> core. Its incredible. But be notic the number of channels is not matter, >> What about its QoS parameter such as max-delta, jitter, lost? >> The max delay i have with the same result is 60. >> >> On Tue, Jan 7, 2020 at 12:56 PM davy van de moere < >> [email protected]> wrote: >> >>> As an update, I'm getting 2000 channels in kernel mode, with about 50% >>> usage of 1 core. (load of the server is at 0.5), which is a 10 fold >>> difference. >>> >>> The problem I was hitting, was the (probable) inability to work in >>> kernelmode with the rtpproxy.so module, rtpengine.so works nicely. >>> >>> Op di 7 jan. 2020 om 10:19 schreef Mojtaba <[email protected]>: >>> >>>> As a person who working much on developing new RTP engine for Kamailio, >>>> I should express achieving to 12k concurrent call is very strange with >>>> Kernel part of RTPEngine. >>>> Regardless of NIC's parameter, multi core and some other parameters, it >>>> is important where the hooking linux kernel function is called. The Kernel >>>> part of RTPEngine is called in NF_INET_LOCAL_IN. It means the rtp packet >>>> goes up local routing in network stack. >>>> I could not reach to 12k yet, although i call Linux kernel function in >>>> NF-INET-PRE-ROUTING >>>> >>>> On Mon, Jan 6, 2020 at 8:26 PM davy van de moere < >>>> [email protected]> wrote: >>>> >>>>> It will probably be a case of RTFM... >>>>> >>>>> quoting from: https://github.com/sipwise/rtpengine/blob/master/README.md >>>>> >>>>> # ensure that the table we want to use doesn't exist - usually needed >>>>> after a daemon >>>>> # restart, otherwise will error >>>>> echo 'del 0' > /proc/rtpengine/control >>>>> >>>>> >>>>> this part seems to be very relevant indeed! >>>>> >>>>> Op ma 6 jan. 2020 om 17:41 schreef Nicolas Breuer < >>>>> [email protected]>: >>>>> >>>>>> Hey Davy, >>>>>> >>>>>> >>>>>> >>>>>> Check cat /proc/rtpengine/0/list >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> *De :* sr-users <[email protected]> *De la part de* >>>>>> davy van de moere >>>>>> *Envoyé :* lundi 6 janvier 2020 14:47 >>>>>> *À :* Henning Westerholt <[email protected]> >>>>>> *Cc :* Kamailio (SER) - Users Mailing List < >>>>>> [email protected]> >>>>>> *Objet :* Re: [SR-Users] RTPEngine performance - How far are you >>>>>> pushing your systems >>>>>> >>>>>> >>>>>> >>>>>> Ok, I'll get my SIPP warmed up then ... ;) thx for the feedback! >>>>>> >>>>>> >>>>>> >>>>>> Op ma 6 jan. 2020 om 14:45 schreef Henning Westerholt <[email protected] >>>>>> >: >>>>>> >>>>>> Hello Davy, >>>>>> >>>>>> >>>>>> >>>>>> You should look into it, sounds strange. Compare e.g. to this e-mail >>>>>> from 2015 – over 16k simultaneous calls on a 12 core machine: >>>>>> >>>>>> https://lists.kamailio.org/pipermail/sr-dev/2015-October/031432.html >>>>>> >>>>>> >>>>>> >>>>>> Cheers, >>>>>> >>>>>> >>>>>> >>>>>> Henning >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> >>>>>> Henning Westerholt – https://skalatan.de/blog/ >>>>>> >>>>>> Kamailio services – https://gilawa.com >>>>>> >>>>>> >>>>>> >>>>>> *From:* sr-users <[email protected]> *On Behalf Of >>>>>> *davy van de moere >>>>>> *Sent:* Monday, January 6, 2020 12:52 PM >>>>>> *To:* Kamailio (SER) - Users Mailing List < >>>>>> [email protected]> >>>>>> *Subject:* [SR-Users] RTPEngine performance - How far are you >>>>>> pushing your systems >>>>>> >>>>>> >>>>>> >>>>>> Dear all, >>>>>> >>>>>> >>>>>> >>>>>> Not a direct question on kamailio, but on rtpengine, so feel free to >>>>>> ignore :) >>>>>> >>>>>> >>>>>> >>>>>> I have a farm of rtpengine servers , supporting our set of >>>>>> kamailio's. >>>>>> >>>>>> >>>>>> >>>>>> On recent decent hardware (hp dl360 gen9/10 servers), I typically >>>>>> push my systems upto 2500 channels per machine. Then I tend to see the >>>>>> load >>>>>> of the machine go up in a logarithmic manner. E.g. a load of 3 supports >>>>>> 2500 channels, but when its at 3000 channels, load can be at 8. etc. >>>>>> >>>>>> >>>>>> >>>>>> I have the kernel module running, and I have a good impression it's >>>>>> being used too. No transcoding is going on, no recording, ... I've tried >>>>>> on >>>>>> different OS'es, different network cards, and I always end up at that >>>>>> 2500 >>>>>> channels +-. >>>>>> >>>>>> >>>>>> >>>>>> Is that what I can expect from rtpengine? Or am I really overlooking >>>>>> something? What numbers do you push out of your systems? >>>>>> >>>>>> >>>>>> >>>>>> kind regards and happy 2020! >>>>>> >>>>>> _______________________________________________ >>>>>> Kamailio (SER) - Users Mailing List >>>>>> [email protected] >>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>> >>>>> _______________________________________________ >>>>> Kamailio (SER) - Users Mailing List >>>>> [email protected] >>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>> >>>> >>>> >>>> -- >>>> --Mojtaba Esfandiari.S >>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> [email protected] >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> [email protected] >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >> >> >> -- >> --Mojtaba Esfandiari.S >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > -- --Mojtaba Esfandiari.S
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