RE: devel Digest, Vol 21, Issue 7 stress test

Hi list, 

I forgot share my solution with the list. I passed my stress test setting
wait-ack in the smsc group. 

I was getting this error because a lot of messages expired before receive
the submit_sm_resp.

Hope this helps
Mario


-----Mensaje original-----
De: Stipe Tolj [mailto:[email protected]] 
Enviado el: Jueves, 15 de Septiembre de 2005 8:50
Para: [email protected]
CC: [email protected]
Asunto: Re: devel Digest, Vol 21, Issue 7

Mario Noboa wrote:
> Hi Stipe, few days ago i did a stress test with an operator, kannel worked
> very well with 30 msg/s. But i had problems with more than 40 msg/s in a
> smpp conexion. I set throughput=6 and max-pending-submits=50 but didn't
> work.
> 
> This error appears for each messange sent:
> 
> 2005-09-02 11:15:51 [11943] [11] WARNING: SMPP[COM]: SMSC sent
> submit_sm_resp with wrong sequence number 0x0001001d
> 
> I have a CPU system with 2 Gb and 1200 MHz. How would i configure kannel
for
> this stress test?

Hi Mario,

now in terms of this WARNING, it means, Kannel received an submit_sm_resp
PDU 
from the SMPP SMSC with a sequence number that was not within the dictonary
of 
"still open" sequence number PDUs.

Obviously there may be 2 possible reasons:

a) a race-condition within the Kannel handling. Actually bearerbox
transmitting 
the submit_sm PDU and receiving the _resp PDU "faster" then being able to
drop 
the message in the "still open dictonary". Which is almost uncertain, due to
the 
amount of only 50 msg/sec.

b) a problem on the SMSC side itself. Which seems more reasonable.

I'd suggest that you do various tests on there again and try to circle in
the 
problem scope. I do assume that you may not be able to reproduce the effect
on a 
determenestic base, right?

Stipe


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