[Freeswitch-users] Tuning Up Freeswitch

[Christian Löschenkohl]

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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-- 
Ing. Christian Löschenkohl
Technische Leitung, Forschung & Entwicklung VoIP

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