[Freeswitch-users] Freeswitch performance as a redirecting server

Tihomir Culjaga tculjaga at gmail.com
Wed Aug 26 01:08:57 PDT 2009 

Hi Giovanny,

regarding ubuntu, did you mean 8.04 server or desktop ?


On Tue, Aug 25, 2009 at 3:41 PM, Giovanni Maruzzelli <gmaruzz at celliax.org>wrote:

> Definitely go for 64 bit OS.
>
> If you want to be safe and sure,  go for CentOS 5.2 64bit. Is the one
> used both for development and for heavy duty production.
>
> Also Ubuntu 8.04 is good.
>
> Other versions/distros are less used by the community.
>
> Adding RAM and CPUs helps to scale up.
>
> -gm
>
>
>
> Sincerely,
>
> Giovanni Maruzzelli
> Cell : +39-347-2665618
>
>
>
>
> On Tue, Aug 25, 2009 at 3:19 PM, Tihomir Culjaga<tculjaga at gmail.com>
> wrote:
> > Hey Giovanni,
> >
> > thanks for the tip... indeed the db files were heavily used regardless if
> i
> > started freeswitch with nosql option (freeswitch -nosql)... FS was not
> > writing anything into that files ... instead it was just accessing it....
> > This behaviour leads to a waste of 40% CPU time... waiting for other
> > processes (mainly disk access) to finish!!!
> >
> > I moved freeswitch/db/ to a ramdisk and the performance got a boost to
> 140
> > CPS with a CPU load of 80%. I was keeping the machine for a while (20 -
> 30
> > minutes) on that rate when i sow CPU suddenly went to 100% and FS
> becoming
> > irresponsive :).
> >
> >
> > What can be wrong?
> > What are the limits in CPU usage (50%, 60%, 70%, 80%...) we should not
> > cross?
> > What fine tuning do we need in order to asure a long high load run?
> >
> >
> >
> > Also, I'm running 32-bit OS (debian 5) on a 64 bit CPU... does it have
> sense
> > to move my OS to 64 bit? ... will FS gain more preformance ?... I mean
> will
> > FS perofomr drastically better 20%+ ?
> >
> >
> > Tihomir.
> >
> >
> > On Tue, Aug 25, 2009 at 11:00 AM, Giovanni Maruzzelli <
> gmaruzz at celliax.org>
> > wrote:
> >>
> >> Maybe your load comes from disk access?
> >>
> >> Try putting the sql and log directories on a ramdisk.
> >>
> >> OTH,
> >>
> >> -giovanni
> >>
> >> On Tue, Aug 25, 2009 at 10:54 AM, Tihomir Culjaga<tculjaga at gmail.com>
> >> wrote:
> >> > Hello,
> >> >
> >> > i'm trying to use freeswitch as a redirecting server meaning FS has to
> >> > receive an INVITE and according to some rules it will redirect calls
> to
> >> > other destinations.
> >> >
> >> >
> >> > CALLING_USER                FREESWITCH
> SOMEWHERE
> >> >
> >> > INVITE ------------------------------->
> >> >            <------------------------------ 100 Trying
> >> >            <------------------------------ 302 Moved Temporary
> >> > ACK    ------------------------------->
> >> >
> >> >
> INVITE--------------------------------------------------------------------------------->
> >> >
> >> >
> >> >
> >> > Well, wverything works well except i have perfromance issues .... on
> my
> >> > HW
> >> > FS cannot do more than 40 CPS (INVITE answered by 302 Moved
> Temporary).
> >> > When
> >> > i increase the rate, FS starts delaying 302 response. Right at 50 CPS
> i
> >> > see
> >> > "calls" being build up in FS and the delay begining to grow.
> >> >
> >> > When i observe the machine, load average is almost nothing (load
> >> > average:
> >> > 1.41, 0.61, 0.60) CPU never goes to 100%, and i see only one thread
> >> > taking
> >> > most load... all others are just sitting there with 1-5 % CPU time.
> >> > This looks to me as FS handles 302 messages in a single thread?!?!
> >> >
> >> >
> >> > tculjaga at FS:/usr/local/freeswitch/conf/dialplan$ top -H
> >> >
> >> > top - 10:41:37 up 167 days, 20:42,  3 users,  load average: 1.41,
> 0.61,
> >> > 0.60
> >> > Tasks:  83 total,   2 running,  81 sleeping,   0 stopped,   0 zombie
> >> > Cpu(s): 25.3%us,  1.5%sy,  0.0%ni, 30.3%id, 42.7%wa,  0.0%hi,  0.2%si,
> >> > 0.0%st
> >> > Mem:   2074520k total,   571244k used,  1503276k free,   259604k
> buffers
> >> > Swap:  2650684k total,     3020k used,  2647664k free,   153868k
> cached
> >> >
> >> >   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+
> >> > COMMAND
> >> >  4814 root      20   0 34188  20m 3780 S   38  1.0   3:10.29
> >> > freeswitch
> >> >  4800 root      20   0 34188  20m 3780 S    6  1.0   0:08.26
> >> > freeswitch
> >> >  4798 root      20   0 34188  20m 3780 R    5  1.0   0:24.46
> >> > freeswitch
> >> >  4787 root      20   0 34188  20m 3780 S    2  1.0   0:11.24
> >> > freeswitch
> >> >  4794 root      20   0 34188  20m 3780 S    1  1.0   0:11.42
> >> > freeswitch
> >> >  4803 root      20   0 34188  20m 3780 S    1  1.0   0:11.74
> >> > freeswitch
> >> >  4788 root      20   0 34188  20m 3780 S    1  1.0   0:02.96
> >> > freeswitch
> >> >  4804 root      20   0 34188  20m 3780 S    1  1.0   0:01.64
> >> > freeswitch
> >> >  4807 root      20   0 34188  20m 3780 S    1  1.0   0:01.68
> >> > freeswitch
> >> >  4811 root      20   0 34188  20m 3780 S    1  1.0   0:02.50
> freeswitch
> >> >
> >> >
> >> >
> >> > cat /proc/cpuinfo
> >> > processor       : 0
> >> > vendor_id       : GenuineIntel
> >> > cpu family      : 6
> >> > model           : 15
> >> > model name      : Intel(R) Xeon(R) CPU            5140  @ 2.33GHz
> >> > stepping        : 6
> >> > cpu MHz         : 2333.560
> >> > cache size      : 4096 KB
> >> > physical id     : 0
> >> > siblings        : 2
> >> > core id         : 0
> >> > cpu cores       : 2
> >> > apicid          : 0
> >> > initial apicid  : 0
> >> > fdiv_bug        : no
> >> > hlt_bug         : no
> >> > f00f_bug        : no
> >> > coma_bug        : no
> >> > fpu             : yes
> >> > fpu_exception   : yes
> >> > cpuid level     : 10
> >> > wp              : yes
> >> > flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> >> > mca
> >> > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm
> >> > constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2
> ssse3
> >> > cx16
> >> > xtpr dca lahf_lm
> >> > bogomips        : 4670.78
> >> > clflush size    : 64
> >> > power management:
> >> >
> >> > processor       : 1
> >> > vendor_id       : GenuineIntel
> >> > cpu family      : 6
> >> > model           : 15
> >> > model name      : Intel(R) Xeon(R) CPU            5140  @ 2.33GHz
> >> > stepping        : 6
> >> > cpu MHz         : 2333.560
> >> > cache size      : 4096 KB
> >> > physical id     : 0
> >> > siblings        : 2
> >> > core id         : 1
> >> > cpu cores       : 2
> >> > apicid          : 1
> >> > initial apicid  : 1
> >> > fdiv_bug        : no
> >> > hlt_bug         : no
> >> > f00f_bug        : no
> >> > coma_bug        : no
> >> > fpu             : yes
> >> > fpu_exception   : yes
> >> > cpuid level     : 10
> >> > wp              : yes
> >> > flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> >> > mca
> >> > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm
> >> > constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2
> ssse3
> >> > cx16
> >> > xtpr dca lahf_lm
> >> > bogomips        : 4666.82
> >> > clflush size    : 64
> >> > power management:
> >> >
> >> >
> >> >
> >> > uname -a
> >> > Linux l01sipindir1 2.6.26-1-686 #1 SMP Sat Jan 10 18:29:31 UTC 2009
> i686
> >> > GNU/Linux
> >> >
> >> >
> >> >
> >> > Of course, i've tuned the machine up
> >> >
> >> > ulimit -c unlimited
> >> > ulimit -d unlimited
> >> > ulimit -f unlimited
> >> > ulimit -i unlimited
> >> > ulimit -n 999999
> >> > ulimit -q unlimited
> >> > ulimit -u unlimited
> >> > ulimit -v unlimited
> >> > ulimit -x unlimited
> >> > ulimit -s 240
> >> > ulimit -l unlimited
> >> > ulimit -a
> >> >
> >> >
> >> > Started FS with minimum modules but still 40 CPS seems to be the
> limit.
> >> >
> >> >
> >> > So, is there any way to improve performance?
> >> >
> >> >
> >> > Tihomir.
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > _______________________________________________
> >> > FreeSWITCH-users mailing list
> >> > FreeSWITCH-users at lists.freeswitch.org
> >> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> > UNSUBSCRIBE:
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> >> > http://www.freeswitch.org
> >> >
> >> >
> >>
> >> _______________________________________________
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> >
> >
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>
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