After having used Javascript and Lua for scripting in FreeSWITCH, I would recommend using ESL for anything serious. There are many advantages to using ESL instead of a script inside FreeSWITCH, but the main one for me was easier call control, especially when doing asynchronous stuff. I believe there's a Python version of the ESL library, so you shouldn't have much trouble getting started.


On Wed, Apr 27, 2011 at 2:35 AM, Anton VG <anton.vazir@gmail.com> wrote:
Hello!
Cannot get answer for myself for languages processing overhead/preference,

I personally would like to use Python for scripting under Freeswitch,
but considering some recent list activity about low CPS while using
python scripts, etc
querstioning, maybe it's better to use LUA instead? WIKI or list does
not answer this questions in satisfying manner unfortunatelly. For DB
intensive scripts - DB connections pool is a very important stuff,
having direct influence performance and CPS specifically.

It looks that lua might be lighter and more tightly integrated to FS,
but if processing overhead difference is just a few times python is
still preferred for me (and many others) since much more
powerfull/libraryreach/etc.
I'ts would be just nice to clear this question.

1. Is there any comparisions on plain processing overhead?
2. Any data on memory consumtption per active python process?
2. Is there a freeswitch DB pool connection interface like for LUA in
mod_python?
3. If not - what would be the known technique to use external DB
connection pool from inside the FS python script?
4. Seems logical, but please confirm/reject - once executed (compiled
to the bytecode) - the second time the python script under FS will be
executed as precompiled bytecode?

Regards,
Anton.

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