Thanks for the clarification Bogdan.


[] On Behalf Of Bogdan-Andrei Iancu
Sent: Tuesday, September 20, 2016 7:06 AM
To: Ramachandran, Agalya (Contractor) <>; Liviu 
Chircu <>; OpenSIPS users mailling list 
Subject: Re: [OpenSIPS-Users] Load testing in opensips with async in 2.1 version

Hi Agalya,

With rest_client in async mode, you should see ~ cps rate as without having it 
(considering that the HTTP queries are finishing) - of course, this is valid 
for longer test intervals (much longer than the maximum time to reply for the 
HTTP queries).

In async, the time to query will translate in 0 extra load for OpenSIPS. Of 
course, the processing of a call will be affected by the HTTP time to query, 
but on longer periods of time, the CPS will not be affected (as opensips will 
be able to handle the load).


Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
On 19.09.2016 18:10, Ramachandran, Agalya (Contractor) wrote:
Hi team,

Have you performed  load test with  OpenSIPS 2.1 version by placing HTTP 
request as async ?
If so can you share the throughput you have achieved? Because that would be 
bench mark for me as well to achieve the results.

1)      Without HTTP being used at all, I see the below throughput .
             150 calls per second 5000+ calls in full dialog

2)      With HTPP as synchronous mode, it is been blocked till the response is 
                As a workaround, I tried to increase the no of children 
parameter to handle many number of calls. Is this OK to do this way?

3)      I just want to know the throughput data you guys have achieved for a 
load test with HTTP being async mode.
               This will be very useful to scale up and compare with my data.


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