Hi,
you cannot change Kamailio's memory at runtime, you have to stop and restart it passing the new values. Depending on the distribution you're using, the values read by startup scripts can be in different places (/etc/default/kamailio being common one for debian like distribution).
About Kamailio childrens I can suggest you this excellent article by Alex Balashov: http://blog.csrpswitch.com/tuning-kamailio-for-high-throughput-and-performance/.

Best regards,

Federico

On Thu, Mar 24, 2016 at 4:42 PM, Volodymyr Rykhva <ascentman91@gmail.com> wrote:
Hi,

I have started using kamailio recently. Added to db almost 100K users. And now I am trying to increase shared and private memory with this command when server is running: kamailio -M 12 -m 128. But then I check it with `kamailio -l` and the same values (64 and 8 respectively) are there. Can I change it with config? or what I do wrong.

And what's the purpose of child process? - Will kamailio process requests faster if I set child=32 (for example)?

Thanks and best regards,
Volodymyr

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