Re: [Pgcluster-general] PostgreSQL Documentation of

[Markus Schiltknecht <markus(at)bluegap(dot)ch>]

Joshua D. Drake wrote:
> On Tue, 2006-11-21 at 16:51 -0500, Bruce Momjian wrote:
> > Markus Schiltknecht wrote:
> > > Hi,
> > >
> > > Bruce Momjian wrote:
> > > > I feel the shared-* issue splits us up like master/slave and
> > > > multi-master splits up
> > > No, not quite. To sum up, I'd say the following combinations make sense:
> > >
> > > sync, multi-master replication on shared-memory cluster (which is much 
> > > like a super-computer. With shared memory distributing locks does not 
> > > cost much - beside marketing, there is probably not much sense in 
> > > calling this a cluster at all).
> > Wow, how is that different than an multi-CPU server?
>
> You can't have 1000 cpus :).. You can have 1000 dual core servers.

Have them share all their memory is the challenge, though. Ask IBM, they 
certainly do big-irons like that.

As I said, it's like a super-computer, but you can also see it as a 
cluster of CPUs with shared memory and shared disks. It's all just a 
matter of your point of view.

Regards

Markus