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 <[email protected]>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<[email protected]> > 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?!?! > > > > > > tculj...@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 > > [email protected] > > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users > > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users > > http://www.freeswitch.org > > > > > > _______________________________________________ > FreeSWITCH-users mailing list > [email protected] > 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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