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

[Daniel-Constantin Mierla]

Do you run with high debug value (lot of log messages)? Because I don't
get similar results to yours. Maybe you can share full kamailio.cfg and
lua script for both cases.

Cheers,
Daniel

On 12.11.19 22:11, GG GG wrote:
> 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 <mailto: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 <mailto: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 List
>>>         sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>
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>>
>>         -- 
>>         Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
>>         www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>>         Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld.com <http://www.kamailioworld.com>
>>
>     -- 
>     Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>     Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld.com <http://www.kamailioworld.com>
>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - April 27-29, 2020, in Berlin -- www.kamailioworld.com

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