Hi Oded & List Oded Arbel wrote: > > Hi list. > > Lately we've been doing some very high capacity testing on Kannel , and > found out some interesting stuff. mainly as queues (managed by lists) > are filling up to over a few hundreds of messages, the boxes start > thrashing. > I think this is directly related to the List implementation - it's just > too sssslllloooowwww. when we have more then a few hundreds of messages > in the List, extracting one item can sometimes take anywhere from 2 to 4 > seconds (!!!). > > Does any one have any information or experience regarding that ?
I send 500000 msg through Kannel and had a similar experience. Kannel does have a peak performance of 350 msg/s (with test_cimd2 sending true service request SMs and hello world server answering them; requests were http ones over our intranet). But long time performance lags, bearerbox grabbing most of cpu time. And yes, this happens when queues grow long. (As an aside, Kannel *without* https does 1300 msg/s. And "long term" means about an hour.) Aarno
