[Serusers] TCP high load problems

[Klaus Darilion]

Weiter Leiter wrote:
> Not that I'd have any hint, but with debug compiling, ser prints the 

what means debug compiling?

> received tcp message. I would try to run ser in debugging with remote 
> logging. If the problem still occurs (with the extra debugging 
> overhead), you might have a chance to see what ser sees and break the 
> problems.

is ser able to log 3000 requests/second or logs it only the failed message?

regards
klaus

> 
> WL.
> 
> I feel this is more appropriate for serdev.
> 
> On 7/26/06, *Klaus Darilion* <klaus.mailinglists at pernau.at 
> <mailto:klaus.mailinglists at pernau.at>> wrote:
> 
>     Hi!
> 
>     Scenario: sipp sends INVITE to ser, ser replies with 404. sipp sends
>     3000 INVITEs per second with TCP. sipp + ser on the same machine,
>     packets will be snet over loopback device.
> 
>     Suddenly ser reports a bad message:
> 
>     Jul 26 16:39:31 t4000 ser[14152]: ERROR:parse_first_line: method not
>     followed by SP
> 
>     Jul 26 16:39:31 t4000 ser[14152]: ERROR:parse_first_line: bad message
>       > rtpmap:0 PCMU/8000 087637 IN IP4 83.136.32.91sg:
>     message=<p at 83.136.32.91:5066>;tag=6688
> 
>     Jul 26 16:39:31 t4000 ser[14152]: ERROR: receive_msg: parse_msg failed
> 
> 
>     Although the message captured looks fine:
> 
>     INVITE sip:service at 83.136.32.91:5060 SIP/2.0
>     Via: SIP/2.0/TCP 83.136.32.91:5066
>     <http://83.136.32.91:5066>;branch=z9hG4bK-6688-0
>     From: sipp < sip:sipp at 83.136.32.91:5066>;tag=6688
>     To: sut <sip:service at 83.136.32.91:5060>
>     Call-ID: 6688-14331 at 83.136.32.91 <mailto:6688-14331 at 83.136.32.91>
>     CSeq: 1 INVITE
>     Contact: sip:sipp at 83.136.32.91 :5066
>     Max-Forwards: 70
>     Subject: Performance Test
>     Content-Type: application/sdp
>     Content-Length:  135
> 
>     v=0
>     o=user1 53655765 2353687637 IN IP4 83.136.32.91 <http://83.136.32.91>
>     s=-
>     c=IN IP4 83.136.32.91 <http://83.136.32.91>
>     t=0 0
>     m=audio 6002 RTP/AVP 0
>     a=rtpmap:0 PCMU/8000
> 
> 
>     Any hints for the problem debugging?
> 
>     thanks
>     klaus
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