[OpenSER-Users] Openser not processing requests at rate being sent to it

[Mik Cheez]

Brian Peters wrote:
> I am doing what I thought was a simple volume test that OpenSER should 
> be able to handle, but the results I am getting so far show it is not 
> handling the load I’m sending it.
> 
>  
> 
> Here is my configuration:
> 
>  
> 
>  
> 
> -          OpenSER 1.3.1
> 
> -          Simple script that uses OpenSER as a proxy to forward 
> requests to a carrier. All it does is rewrite the host and port of the 
> R-URI and relays to the carrier.
> 
> -          children=16
> 
> -          shared memory set to 1 G. (-m 1000)
> 
> -          using transaction module to handle the requests.
> 
> -          Sending 10 INVITE requests per second to OpenSER using Asterisk.
> 
>  
> 
> When I do a “tcpdump” trace of the network traffic to/from OpenSER,  it 
> is clear that a large percentage of the INVITE requests sent to OpenSER 
> were not handled. Asterisk needed to resend the INVITE requests several 
> times before OpenSER would handle them, and in about 20% of the cases 
> Asterisk terminated the INVITES because it reached the timeout of 30 
> seconds without any response.
> 
>  
> 
> If I go directly from asterisk to the carrier, this test works without 
> any issues. I’m not sure what the limitations are of OpenSER, but this 
> seems like something it should be able to handle.
> 
>  
> 
> Any help or information on how to configure OpenSER so it will work 
> would be appreciated.
> 
>  
> 
> Thanks,
> 
>  
> 
> Brian.
> 
>  
> 
> 
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> 
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You have a config file to share?
Are your network settings correct?
Are you doing the dump on the OpenSER box, or the Asterisk?
How are your system resources on the box (e.g. running 'top')?

10 invites per second is really nothing for OpenSER, so something else 
must be going on.