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

[Brian Peters]

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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