Subject Re: [firebird-support] How to lock data?
Author Daniel Rail

At October 21, 2004, 07:58, Alan McDonald wrote:

> I didn't get this picture, VULCAN will not be a true SMP compliant
> superserver. i.e. it will not be providing for multiple server/CPU accesses
> to the one file it's just a step forward to this direction which is a very
> tricky thing to solve. or did I miss something.

You did miss something. The customer in question that is paying for
the development did request a 64-bit/SMP Superserver. If I'm not
mistaken, Jim disabled Firebird's thread scheduler in order to have OS
managed fine multi-threading enabled, which in my eyes is the best way
to have true SMP/HT support.

> The 64 bit Vulcan will be a
> screaming server in it's own right though.

Especially if you have a 64-bit OS.

Best regards,
Daniel Rail
Senior System Engineer
ACCRA Group Inc. (
ACCRA Med Software Inc. (