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 <Nicolas.Breuer@belcenter.biz>:

Hey Davy,

 

Check  cat /proc/rtpengine/0/list

 

 

 

De : sr-users <sr-users-bounces@lists.kamailio.org> De la part de davy van de moere
Envoyé : lundi 6 janvier 2020 14:47
À : Henning Westerholt <hw@skalatan.de>
Cc : Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
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 <hw@skalatan.de>:

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 <sr-users-bounces@lists.kamailio.org> On Behalf Of davy van de moere
Sent: Monday, January 6, 2020 12:52 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
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!

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