[Freeswitch-users] Freeswitch performance as a redirecting server
Giovanni Maruzzelli
gmaruzz at celliax.org
Wed Aug 26 01:25:19 PDT 2009
netbook remix
joking! Server 64bit :-)
-gm
On Wed, Aug 26, 2009 at 10:08 AM, Tihomir Culjaga<tculjaga at gmail.com> wrote:
> 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:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> >> > http://www.freeswitch.org
>> >> >
>> >> >
>> >>
>> >> _______________________________________________
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>> >>
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>> >
>> >
>> > _______________________________________________
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>> >
>>
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