Carl,
In general, I believe that SIPp is mostly CPU limited. You could try
reducing the frequency of the clock ticks, to reduce CPU utilization, but
that may cause other problems (e.g., increased burstiness).
We have found that to generate high loads, you will need to use more than
one machine as a UAC and UAS.
There are several ways you could improve performance, if you had the
motivation to improve the SIPp code itself. For example, the send_scene
call could be changed such that the XML parsing breaks the message up into
chunks of various types. Then, rather than strstr'ing for replacement
strings, you can just switch on an integer type. There are several other
examples of code that could be optimized, and if you run some profiling
software you might find other low-hanging fruit.
Charles
[EMAIL PROTECTED] wrote on 03/23/2007 02:15:02 PM:
> Hey, Everyone,
>
> Now I am trying to use sipp to stress test our sip server, but the
> problem is that sipp seems only support several thousand (more exactly,
> less than 5000 thousand) concurrent tcp calls with each machine. The
> machine running sipp is Intel(R) Xeon(TM) CPU 3.00GHz with 2G byte
> memory. Does anyone have any idea about this performance issue, or how
> to improve sipp performace by configuring sipp? ( I only want to test
> tcp connection, BTW)
>
> Thanks.
>
> Carl
>
>
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