[Freeswitch-users] Freeswitch performance as a redirecting server
Tihomir Culjaga
tculjaga at gmail.com
Tue Aug 25 01:54:07 PDT 2009
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.
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