[Freeswitch-users] Tuning Up Freeswitch

[Jay Binks]

I have no such problems on debian .

I use debian 5 with 2.6.18 kernel which is what Is recommended

Are you using tmpfs ??

Jay



On 22/04/2011, at 3:26 AM, Christian Löschenkohl<christian.loeschenkohl at xpirio.com> wrote:

> hi
> 
> we did use debian too and had such performance issues (sip packet delays, low cps).
> after using centos 64bit (as advised by the devs) all performance problems are gone.
> 
> br
> 
> On 2011-04-21 18:24, Antonio Teixeira wrote:
> 
>> Hello List.
>> 
>> I'm currently integrating an IVR in python together with freeswitch using mod_python and ESL and my life has been well until ...
>> The flow of calls went over 80 simultaneous calls.
>> Now freeswitch starts sending packets with huge delays ( even when establishing the call , mainly the 200 ) and firing up the IVR with tons of delay up to 20 seconds.
>> 
>> So i searched the wiki forums and mailing list:
>> 
>> Put freeswitch on a diet , trimmed modules.conf
>> Played with the ulimit stuff.
>> Played with the IVRS to reduce load to a minimum and i was able to squeeze more 5 calls of performance.
>> 
>> The problem is :
>> 
>> Top shows
>> top - 16:14:33 up 35 days,  8:15,  3 users,  load average: 1.92, 1.76, 1.78
>> Tasks: 133 total,   1 running, 132 sleeping,   0 stopped,   0 zombie
>> Cpu(s):  1.4%us,  3.3%sy,  0.0%ni, 94.6%id,  0.0%wa,  0.3%hi,  0.5%si,  0.0%st
>> Mem:   8193336k total,  1639156k used,  6554180k free,   177208k buffers
>> Swap: 19534904k total,        0k used, 19534904k free,  1062272k cached
>> 
>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>> 31361 yadayada      20   0  716m 164m 9628 S   73  2.1 155:17.85 freeswitch
>> 
>> Freeswitch goes up to 150 % and puff there goes the MOS down to 0.
>> 
>> 
>> Some basic System Info :
>> Debian 6.0 ( i heard the timming module is affected by Debian , but if the CPU % gets lower than 95% everything will be more stable)
>> Python 2.5
>> 
>> 2 x Intel(R) Xeon(R) CPU           E5506  @ 2.13GHz
>> 8 GB of Ram
>> 
>> as you can see 94 % of the "Cpu Power" is sleeping :\
>> 
>> 
>> It appears freeswitch is only capable of using let's say "one cpu"/thread ??
>> Do you guys recommend simply starting more instances or redoing the IVR stuff.
>> 
>> 
>> Hope you guys can help me out.
>> 
>> Thanks
>> António Teixeira
>> 
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>> 
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> 
> 
> -- 
> Ing. Christian Löschenkohl
> Technische Leitung, Forschung & Entwicklung VoIP
> 
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