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
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>>>
>>
>>
>> --
>> --Mojtaba Esfandiari.S
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> [email protected]
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> _______________________________________________
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> [email protected]
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>


-- 
--Mojtaba Esfandiari.S
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