> >> I use PostGreSQL with a Web server which receive 200 HTTP
> >> simultaneous queries.
> >
> > With what opts do you start postmaster?
> -F to disable fsync()
> I don't know if I have to use the -B and -S options to change
> the memory use...
With 200 simult connections I would recomment to use
-N 256 -B 16384
Vadim