[asterisk-biz] Asterisk Performance Results

Zoa zoachien at securax.org
Sat Nov 17 04:47:04 CST 2007



Yes, but
1500 calls
3000 call streams
50 pps per call stream
thats 150.000 pps + signalling, we need double the packets per second on 
that machine to have that amount of calls. (sure the test is not 1500 
call legs?)
 
Yes, linux can do that in the kernel on that machine, the intel e1000 
networkcards can handle that kind of traffic but i can't believe a 
userland application can do it.

Another question : could somebody tell me if the dtmf mode setting in 
sip.conf is only used for how to send dtmf to the end point or also if 
asterisk has to look for inband dtmf on the incoming packets ?
Is asterisk always looking for inband dtmf ?

BKW, my gut tells me that server will handle over 60 call setups per 
second on asterisk, but not when running on nearly 100% cpu, so you can 
do more call setups per second in the beginning of the test, but when 
nearing the maximum throughput of rtp, callsetups need to be less to be 
able to complete the max throughput test.

Zoa

Trixter aka Bret McDanel wrote:
>
>
> On 11/17/07, *Zoa* <zoachien at securax.org 
> <mailto:zoachien at securax.org>> wrote:
>
>
>     I would like to comment on my own post, unlike signate before in
>     2006 ,
>     according to their pdf they did do their homework and used a
>     setting new
>     to sipp: :make pcapplay"instead of the echo mode. which should fix
>     that,
>     and reinvite is set to no, so i cannot find any flaws in the test
>     setup,
>     however i would still like to see pps measurements, i still can't
>     believe linux can handle that amount of packets per second in
>     userlevel
>     on that type of hardware. (based on my own measurements from years ago
>     on a dual xeon - not dual core)
>
>
>
> the 5140 is a woodcrest, while its a xeon its slightly different from 
> other xeons.  It can do that level (even the 2.0Ghz one has done more 
> than that, which is what I got over a year ago now).   If you look, as 
> I pointed out in a different email, the bandwidth used on the asterisk 
> server section (page 48-50) is at most 16MB or 128Mbps, if you were to 
> divide that down to packets you would see something about like 80k pps 
> or one roughly every 750 usec (T1 does 1 every 125usec).  Unless I did 
> something wrong in my math, I think its doable. 
>
>
> -- 
> Trixter http://www.0xdecafbad.com     Bret McDanel
> Belfast +44 28 9099 6461        US +1 516 687 5200
> http://www.trxtel.com <http://www.trxtel.com> the phone company that 
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