[SR-Users] event_route[core:msg-received] native vs kemi/lua

[GG GG]

Hello,

I removed KSR.x.exit() and I got same results for cpu usage and Recv-Q.

On Tue, Nov 12, 2019 at 3:56 PM Daniel-Constantin Mierla <miconda at gmail.com>
wrote:

> Hello,
>
> can you remove the KSR.x.exit() and test again? It will be the same effect
> from sip routing point of view, just to see what is the result.
>
> Because Lua 'exit' cannot be used, KSR.x.exit() is a workaround relying on
> error/exception handling with string comparison that I did.
>
> However, overall KSR.x.exit() alone has an insignificant effect on a
> production configuration, based on the tests I did for kamailio 5.2, you
> can look for more at:
>
>   - https://www.kamailio.org/wiki/kemi/performance-tests/5.2.x
>
> Cheers,
> Daniel
> On 12.11.19 21:28, GG GG wrote:
>
> Hi Daniel,
>
> For lua example, it's just an error when writing my email... in my config
> file I have KSR.x.exit();
> I have not tested a more complex config, but I'm curious about kemi
> framework and how it works. So before anything else I made a simple test to
> know the cpu overhead.
> For this test, I noticed that the Recv-Q of kamailio remains high with
> kemi/lua, and with the native one remains to 0, with children=1 of course.
> Next step, is to use a more complex config file.
>
> On Tue, Nov 12, 2019 at 3:00 PM Daniel-Constantin Mierla <
> miconda at gmail.com> wrote:
>
>> Hello,
>>
>> is it really just 'exit' in the ksr_core_received()? Because that should
>> shut down kamailio.
>>
>> Anyhow, practically with the examples here, you test the difference
>> between looking up a function and doing exit in native kamailio.cfg and lua
>> script, which is really marginal comparing with the rest of configuration
>> file in a usual production deployment. Have you tested with a more complex
>> set of actions/functions?
>>
>> Cheers,
>> Daniel
>> On 12.11.19 17:36, GG GG wrote:
>>
>> Hi!
>>
>> I just made a simple test performance between native script and kemi/lua
>> with the event_route[core:msg-received] callback.
>>
>> # lua script children=1 cpu.process=100%
>> function ksr_core_received()
>>   exit;
>> end
>>
>> # native script children=1 cpu.process=70%
>> event_route[core:msg-received] {
>>   exit;
>> }
>>
>> # tested with udp 5060, 1000 Mbits/sec
>> iperf -c 127.0.0.1 -p 5060 -u -b1000m
>>
>> I don't know if it's normal and what we should expect from kemi, but I
>> would like to share this with you. Maybe someone could confirm the
>> performance difference.
>>
>> Have a good day !
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld.com
>>
>> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld.com
>
>
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