[Freeswitch-users] FreeSwitch setup as a "Dumb" SBC

[kokoska rokoska]

Anthony Minessale napsal(a):
> What does it look like if you serve the directory from the static xml
> file out of curiosity.
> 

Well, I write all user infos into static xml files loaded at startup :-)

For the first try (without "tuning", see below) I can't go beyond 220
reg/s - it is just about 10-12 % higher rate then with "lighty" etc.
BTW: Lighty alone can serve about 2600-2700 "dynamic directory xml files
from DB" per second - tested with "ab".

The only difference (but big one :-) is that CPU utilization is below
15% on all cores and load is about 0.2, so machine is idle :-)

It tells me, that somthing is wron with my setup :-)


The only optimizations done are:

1. No logging
2. FS in "high priority" mode
3. "ulimits" applied

Next (today evenings - tommorow mornings, don't know) I try to "tune" FS
for better preformance - as I did with previous test last month:

1. Move FS internal SQL light to ramdisk - I'm not sure if it helps,
because OS caches all HDD reads/writes, but if SQL light forces sync
after every DB update/insert it can make sense - I try it.
May be I move all FS dir to ramdisk.

2. Slightly change mod_sofia to disable NAT ping loop (unnecessary DB
operations) and, mainly, disable retrieving and sending of NOTIFY
messages containing VM info.
I'll look into my notes to see what I have done before and do the same...


Be patient please, as soon as I have the results, I post them here :-)


Best regards,

kokoska.rokoska


> On Tue, Feb 3, 2009 at 4:11 PM, kokoska.rokoska <kokoska.rokoska at post.cz
> <mailto:kokoska.rokoska at post.cz>> wrote:
> 
>     Ken Rice napsal(a):
>     ...
> 
>     > On Registrations we have experienced Registration/second rates
>     exceeding 150
>     > registrations per second using mod_xml_curl to feed the users
>     directory. I
>     > suspect, this number can be greatly increased if we were to feed
>     directory
>     > with something that cut out the apache and php over head
>     >
> 
>     If someone interested I have few numbers on Registrar performance:
> 
>     DB server:
>     2x Quad core E5345 @ 2.33GHz, 16 GiB RAM
>     Centos 5 x86_64, MySQL 5.0
> 
>     Registrar server:
>     2x Quad core E5345 @ 2.33GHz, 16 GiB RAM
>     Centos 5 x86_64
> 
>     Tested using sipp with 10.000 and 30.000 "users".
> 
> 
>     FreeSWITCH as registrar - current trunk:
>     1. FreeSwitch si simply modified (code doing NAT-ping is commented
>     out :-)
>     2. Directory is served through lighttpd and simple "C" binary doing one
>     trivial select. Lighttpd runs on the same machine as FS. When I move
>     lighhtpd to another machine, I cannot see any significat performance
>     boost.
> 
>     Result: I can go up to the 470-500 reg/s. and FS is heavy overloaded and
>     retransmissions occurs.
> 
> 
>     Kamailio as registrar - 1.4.3. no TLS:
>     1. Kamailio runs with usrloc db_mode 3 (no caching)
> 
>     Result: I can go up to the 3500-3700 reg/s. and Kamailio server is at
>     0.3 load and all 8 cores are bellow 15 %. Without retransmissions. The
>     limit is DB throughput.
>     Just for "curiosity" I switched userloc to db_mode 2 (write back) and at
>     5000 regs/s I stopped the sipp test, because I saw the bottle neck
>     becomes the server runnig sipp (very old P4 box).
> 
> 
>     Conclusion:
>     While I see amazing FreeSWITCH performance on INVITEs per seconds and
>     concurrent calls (another galaxy from * point of view :-), if you have
>     to handle lots of registrations per second, it is IMO better to use
>     Kamailio/OpenSIPS/SER as separate registrar and "propagate" users to FS
>     through SQL view.
> 
>     Hope this helps someone...
> 
>     Best regards,
> 
>     kokoska.rokoska
> 
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> 
> -- 
> Anthony Minessale II
> 
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