> --- In firebird-support@yahoogroups.com, "Mark Rotteveel"
> <Avalanche1979@...> wrote:
> >
> > > Yes we have move it from IB7.5 superserver (2CPU support)
> >
> > The question is: what are you using now? SuperServer, SuperClassic or
> Classic?
> >
>
> Configuration of IB is Superserver, but with 2CPU support

Yes, but what about your Firebird configuration?

> > >
> > > But we calculated it for classic server
> > >
> > > 16kB page * 8192 pages * 40 users = 5120 MB
> > > 16MB temp * 40 users = 640 MB
> >
> > Which is way too much if you are running Classic or SuperClassic, these
> numbers are OK when using SuperServer.
> >
>
> Why it is problem if I have enough RAM.

If you are using Windows 32 bit you don't have enough RAM. On Windoss 32, the maximum addressable per process memory is 2GB, total addressable memory (total for all processes) is 3 GB (except for processes that support PAE).

> One of our users use these settings on 64bit Win server for FB2.1 classic
> server and it works fine (as they inform us)

32 bit is not the same as 64 bit.

> So would it be the reason to switch to classic server to have lower memory
> limit for one process?
> Or I have to set lower values for both parameters.

Or use SuperServer instead of SuperClassic, as the page cache will be shared by all connection (so then you only have the cache once, not per connection).
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