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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