[Freeswitch-users] Performance Testing

Sun Jul 8 07:48:00 MSD 2012

Hi. Yes, I'm using mod_xml_cdr. So, I'll try real hardware server, older
version of CentOS, and modify CDR modes to test again with more realistic
ACD. Thank you all.

On Sun, Jul 8, 2012 at 1:36 AM, Avi Marcus <avi at avimarcus.net> wrote:

> I just know the actual data size of mod_json_cdr is smaller than
> mod_xml_cdr... are you sure it's the CDR generation time and not the cpu
> usage of writing it to disk?
> Try a) mod_cdr_csv instead, b) mod_json_cdr instead, c) turning off all
> logging and/or d) writing the CDRs to a ramdisk to see the new usage.
>
> AND.. as said before.. calls aren't usually 4 seconds. "good" traffic is
> on average 180+ seconds.
>
> -Avi
>
>
> On Sat, Jul 7, 2012 at 11:39 PM, Henry Huang <red.rain.seven at gmail.com>wrote:
>
>> Avi
>>
>> So are you saying that using mod_json for mod_cdr_csv can reduce the cpu
>> load comparing to using xml_cdr? I knew it has to do with writing CDR when
>> tearing down the channels and I thought it was inevitable.
>>
>> Thanks,
>>
>> Henry
>>
>> On Sat, Jul 7, 2012 at 12:11 PM, Avi Marcus <avi at avimarcus.net> wrote:
>>
>>> So have you tried writing with the smaller mod_json or even smaller
>>> mod_cdr_csv with your own small template?
>>> Or having mod_xml_cdr / mod_json_cdr POST the CDRs to another machine to
>>> process?
>>>
>>> -Avi
>>>
>>>
>>> On Sat, Jul 7, 2012 at 10:03 PM, Hanie Maghsoudy <h.maghsoudy at gmail.com>wrote:
>>>
>>>> Yeah, I believe so, since when calls are establishing the cpu load is
>>>> not a problem.
>>>>
>>>>
>>>> On Sat, Jul 7, 2012 at 10:25 PM, Henry Huang <red.rain.seven at gmail.com>wrote:
>>>>
>>>>> From my experience playing with different CPS values. The CPU spike is
>>>>> usually caused by the 'tearing down' process. If you increase the call
>>>>> duration, you will be able to see CPU spikes when channels times out and
>>>>> starting to tear down.
>>>>>
>>>>> Henry
>>>>>
>>>>> On Sat, Jul 7, 2012 at 12:46 AM, Hanie Maghsoudy <
>>>>> h.maghsoudy at gmail.com> wrote:
>>>>>
>>>>>> Hi all,
>>>>>>
>>>>>> I searched for FreeSwitch call capacity, but most of the results
>>>>>> wasn't new. So, I wanna ask if anybody has either tested FreeSwitch's
>>>>>> performance recently, or got a dramatic result in real environment?
>>>>>>
>>>>>> I tested call quality on this machine:
>>>>>>
>>>>>> Virtual FreeSwitch server
>>>>>> OS: CentOS release 6.2 - x86_64
>>>>>> CPU: 8 processor - Intel(R) Xeon(R) CPU X5670  @ 2.93GHz
>>>>>> Memory: 8 G
>>>>>>
>>>>>> After receiving incoming calls, FreeSwitch routed them to another sip
>>>>>> server, without transcoding. The other server transmitted calls by playing
>>>>>> an audio file.  Meanwhile, I called an extension in FreeSwitch to test the
>>>>>> call quality.
>>>>>>
>>>>>> The result was like this:
>>>>>>
>>>>>> 1000 Concurrent calls
>>>>>> Call duration: 160s
>>>>>> Call rate: 6 cps (just creating channels)
>>>>>> Max used Memory: 1416M
>>>>>> Max CPU load: 0.24
>>>>>> Max Network throughput (recv/send): 6711k/80k
>>>>>> Quality: Good
>>>>>>
>>>>>> This test was taken before tearing down the channels.
>>>>>>
>>>>>> Then, I took another test to estimate calls per second, and it wasn't
>>>>>> what I was expected!
>>>>>>
>>>>>>
>>>>>> 150 Concurrent calls
>>>>>> Call duration: 4s
>>>>>> Call rate: 30 cps (creating and tearing down)
>>>>>> Max used Memory: 1293M
>>>>>> Max CPU load: 4.50
>>>>>> Max Network throughput (recv/send): 828k/60k
>>>>>> Quality: Average
>>>>>>
>>>>>> And when I increase call rate to 50 cps:
>>>>>>
>>>>>> 1000 Concurrent calls
>>>>>> Call duration: 4s
>>>>>> Call rate: 50 cps (creating and tearing down)
>>>>>> Max used Memory: 1730M
>>>>>> Max CPU load: *29.9*
>>>>>> Max Network throughput (recv/send): 1367k/202k
>>>>>> Quality: Bad
>>>>>>
>>>>>> Why call per second is such a big problem? Did anyone get a better
>>>>>> result on this?
>>>>>>
>>>>>> Thanks,
>>>>>> Hanie
>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
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>>>>>> 
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>>>>>
>>>>>
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>>
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>
> _________________________________________________________________________
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>
> 
> 
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