Re: [HACKERS] PostgreSQL Backend as SW Gateway to Oracle
Thomas Lockhart <lockhart@alumni.caltech.edu>
From: "Thomas G. Lockhart" <lockhart@alumni.caltech.edu>
To: M.Boekhold@et.tudelft.nl
Cc: Armin Schloesser <armin@ap-kas.ie.philips.com>, Bruce Momjian <maillist@candle.pha.pa.us>, pgsql-hackers@postgreSQL.org
Date: 1998-07-10T05:37:32Z
Lists: pgsql-hackers
> > in getting simultaneous multiple db access within Postgres...
> > thinking of trying to implement this as a Postgres "master database"
> > with hooks deeper in the backend to call out to a remote database as
> > a separate session. Sort of like Ingres implemented their
> > distributed databases. Haven't done anything with it though...
> Cewl... wouldn't this enable us to run PostgreSQL on beowolf-like
> clusters? :)
Well, no. I haven't coded on a beowolf system (and my Linux Journal with
a writeup on it has gone wandering :( but a beowolf must be a MIMD
system with (perhaps) a shared file system. So, we would need a
medium-grained or coarse-grained decomposition of the backend to
distribute a single session across a cluster.
However, what I proposed would allow a single database, or parts of a
single logical database, to reside on one host, with access from a
client hitting multiple hosts to find all the tables, so one could
distribute the load if several pieces or many databases were involved.
Doesn't need to be a beowolf, just a networked set of servers.
- Tom