You are right Alexander but with computers each month more and more fast,
that's really a problem today?
Greetings.
Walter.
On Sat, Dec 31, 2011 at 9:57 AM, Alexander Peshkov <peshk...@mail.ru> wrote:
> В Пт., 30/12/2011 в 23:10 +0100, Kjell Rilbe пишет:
> > Den 2011-12-30 21:43 skrev Leyne, Sean såhär:
> > > Dmitry,
> > >
> > >> Trunk is the ongoing development branch (formerly known as HEAD in
> CVS),
> > >> i.e. transaction IDs are already unsigned long in FB 3.0.
> > > Although this would mean a further ODS change as well as an increase
> in overhead associated with all rows, perhaps the ODS size should be
> increased from 4 bytes to 5 bytes to remove any possible likelihood of
> overflowing the max value (=256 transactions per sec, continuously for over
> 136 years!)
> > Who knows what will happen within only 5-10 years? Perhaps in five
> > years, it will be common with systems running a few thousand
> > transactions per second? In that case 40 bits will only suffice for
> > about 11 years (3000 trans/sec).
> >
> > If such a "big" change is to be made I suggest to make it at least 48
> > bits, and why not 64 bits while we're at it?
>
> This will make each version of the record (not the record- but EACH
> version of it) 4 bytes longer. For table with small records that means
> severe performance degradation.
>
>
>
>
> ------------------------------------------------------------------------------
> Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex
> infrastructure or vast IT resources to deliver seamless, secure access to
> virtual desktops. With this all-in-one solution, easily deploy virtual
> desktops for less than the cost of PCs and save 60% on VDI infrastructure
> costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox
> Firebird-Devel mailing list, web interface at
> https://lists.sourceforge.net/lists/listinfo/firebird-devel
>
------------------------------------------------------------------------------
Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex
infrastructure or vast IT resources to deliver seamless, secure access to
virtual desktops. With this all-in-one solution, easily deploy virtual
desktops for less than the cost of PCs and save 60% on VDI infrastructure
costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox
Firebird-Devel mailing list, web interface at
https://lists.sourceforge.net/lists/listinfo/firebird-devel
