[SR-Users] event_route[core:msg-received] native vs kemi/lua
Daniel-Constantin Mierla
miconda at gmail.com
Tue Nov 12 22:21:34 CET 2019
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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