From: | Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> |
---|---|
To: | PgSQL General ML <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: High-volume shop uses PostgreSQL |
Date: | 2003-09-18 10:04:36 |
Message-ID: | 1063879475.11739.1579.camel@haggis |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On Thu, 2003-09-18 at 03:23, Gaetano Mendola wrote:
> Ron Johnson wrote:
> > PostgreSQL does not do horizontal scaling at all, since the postmaster
> > can only run on 1 CPU, but it's good at vertical scaling, since it
> > can make use of all of the CPUs in a box. (Well, there's sure to
> > be a point at which there is so much activity that the postmaster
> > can't handle it all...)
>
> I seen some PCI cards that permits to have a shared memory shared
> between more boxes, I'd like know how much effort is required to permit
> postgres to run on two or more machine and have the shared memory shared
> between the boxes.
HPaq/DEC has a hardware/software product called MemoryChannel, which
does that for you. Of course, it only works with Tru64 and OpenVMS.
--
-----------------------------------------------------------------
Ron Johnson, Jr. ron(dot)l(dot)johnson(at)cox(dot)net
Jefferson, LA USA
484,246 sq mi are needed for 6 billion people to live, 4 persons
per lot, in lots that are 60'x150'.
That is ~ California, Texas and Missouri.
Alternatively, France, Spain and The United Kingdom.
From | Date | Subject | |
---|---|---|---|
Next Message | Ron Johnson | 2003-09-18 10:09:14 | Re: Why does adding SUM and GROUP BY destroy performance? |
Previous Message | Kaare Rasmussen | 2003-09-18 09:12:52 | Re: High-volume shop uses PostgreSQL |