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> 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 <hw(a)gilawa.com> 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 <keshavarzianpoorm(a)gmail.com>
> *Sent:* Monday, January 16, 2023 5:16 PM
> *To:* Henning Westerholt <hw(a)gilawa.com>
> *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 <hw(a)gilawa.com> 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 <keshavarzianpoorm(a)gmail.com>
> *Sent:* Monday, January 16, 2023 3:35 PM
> *To:* Henning Westerholt <hw(a)gilawa.com>
> *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 <hw(a)gilawa.com> 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 <keshavarzianpoorm(a)gmail.com>
> *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
>
>