Re: [BUG] list implementation too slow.

Hi,
Hi, 

Kalle Marjola wrote:
> 
> On Thu, 21 Mar 2002, Oded Arbel wrote:
> 
> > I think this problem occurs as the bearerbox can't send messages as fast
> > as they are delivered (probably due to a large burst and then sustained
> > high load). I see messages queued on the module's queue, and then it
> > slows doesn the module more, so it can handle less messages (while high
> > load continues) and so the queue grows longer.
> 
> The solution to this is to fix all code so that outgoing messages
> have higher priority than incoming ones, i.e. do not read anything
> from bufefrs before outgoing messages have been sent. NOTE: You need
> to set conn() buffer size, otherwise this does not help as things
> get added to its internal buffer... I did this for my modified
> version and got rid of growing size (in memory) and slowdown.
> 
> (however, I do not know how SMSC would react if the socket gets filled up
>  because the other end is not reading it fast enough..)

If one Kannel cannot handle the traffic, we must use many of them (many
bearer-
boxes) in an array. But problem here is the slowdown: Kannel start with
very
good 350 msg/s but after an hour does only 50 msg/s. And bearerbox grabs
about
half of the memory :( 

Aarno