[OpenSIPS-Users] OpenSIPS performance tests

[Vlad Paiu]

Hello Chris,

In the tests we performed we used SIPp as the UACs and the UAS was an 
OpenSIPS. In spite of this, I doubt that the UAS SiPp in your scenario 
would be the limiting factor.

You could try the load debugging patches available in trunk ( more info 
on this can be found at [1] )
to see what exactly is the limiting factor. I do not think the problem 
is the hardware you are testing on, as an dual core Intel with 4Gb of 
RAM should support plenty of traffic.

As Adrian pointed out, it is much more likely that external queries, 
like DNS, SQL or Radius are the bottleneck on your system. Make sure to 
have OpenSIPS run in fork mode with enough children, and try the load 
debugging features to pinpoint your problem.

[1] http://lists.opensips.org/pipermail/users/2011-February/016918.html

Regards,

-- 
Vlad Paiu
OpenSIPS Developer



On 03/09/2011 01:14 PM, Adrian Georgescu wrote:
> The round trip time to the database and number of DNS, SQL and Radius queries will impact the maximum possible CPS.
>
> You have to factor them all in.
>
> Adrian
>
>
>
> On Mar 9, 2011, at 10:44 AM, Chris Martineau wrote:
>
>    
>> Hi,
>>
>> Don't understand how you get such high cps. I have a scenario using SIPp
>> as the clients and a script similar to test_I config file. The scenario
>> makes a call to the far SIPp client waits 10 seconds and then sends a
>> bye with the far SIPp client responding appropriately. However I can
>> only manage a maximum of around 30cps before the 100 trying messages
>> from the server start to fail and the invite retransmissions start to
>> cascade.
>> I have xlog disabled and debug=0 as this grinds the system down to only
>> 5cps when switched on.
>> My setup is a dual core intel with 4gb.
>> As you can see there is a vast difference between 30 and 6000 cps which
>> I can't imagine is being that drastically effected by my hardware as
>> processor overhead is barely touched when it fails which would indicate
>> opensips is introducing delay by blocking somewhere!
>>
>> The system is on a basic CentoS install.
>>
>> By the way I have also tried this with a stripped down config similar to
>> test_B with little difference in performance!
>>
>> Any suggestions?
>>
>> Many thanks
>>
>> Chris
>>
>> -----Original Message-----
>> From: users-bounces at lists.opensips.org
>> [mailto:users-bounces at lists.opensips.org] On Behalf Of Vlad Paiu
>> Sent: 08 March 2011 14:16
>> To: OpenSIPS users mailling list; OpenSIPS devel mailling list
>> Subject: [OpenSIPS-Users] OpenSIPS performance tests
>>
>> Hello,
>>
>> We have performed some tests using OpenSIPS 1.6.4 to simulate some real
>> life scenarios, to get an idea on the load that can be handled by
>> OpenSIPS and to see what is the performance penalty you get when using
>> some OpenSIPS features like dialog support, DB authentication, DB
>> accounting, memory caching, etc.
>>
>> A total of 11 tests were performed, using 11 different scenarios. The
>> goal was to achieve the highest possible CPS in the given scenario,
>> store load samples from the OpenSIPS proxy and then analyze the results.
>>
>> The base test used was that of a simple stateful SIP proxy. Than we kept
>>
>> adding features on top of this very basic configuration, features like
>> loose routing, dialog support, authentication and accounting.
>>
>> The detailed description of the test scenarios performed, a performance
>> penalty table showing the load impact introduced by adding different
>> features onto OpenSIPS as well as a graphical chart showing load samples
>>
>> from all the tests can be found at
>> http://www.opensips.org/Resources/StressTests
>>
>>
>> Regards,
>>
>> -- 
>> Vlad Paiu
>> OpenSIPS Developer
>>
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>>      
>
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