Re: postgres on a beowulf? (AMD)opteron?

scott.marlowe wrote:
> On 21 May 2003, Ron Johnson wrote:
>
> > On Tue, 2003-05-20 at 06:27, Andrew Sullivan wrote:
> > > On Mon, May 19, 2003 at 01:28:32PM -0400, george young wrote:
> > > > Has anyone run postgres on a beowulf system?
> > >
> > > Can't be done. None of the cluster systems support cross-machne
> > > shared memory (this is actually a problem for Postgres and NUMA, as
> > > well, BTW).
> >
> > VMSclusters and Tru64 clusters do, but, of course, it has to be
> > programmed for.
> >
> > And the licensing costs are pretty steep...
>
> someone was on the list last year and had gotten postgresql (sorta)
> working on mosix clusters. The performance, I recall, was less than
> stellar.

I think they copied and locked the shared memory for each machine that
needed it.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073