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Re: [GENERAL] Oracle and Postgresql Play Nice Together on Same Computer?

From: "Troyston Campano" <troygeekdatabase(at)gmail(dot)com>
To: <pgsql-admin(at)postgresql(dot)org>, <pgsql-general(at)postgresql(dot)org>
Cc: "'Ian Barwick'" <barwick(at)gmail(dot)com>
Subject: Re: [GENERAL] Oracle and Postgresql Play Nice Together on Same Computer?
Date: 2005-01-20 12:58:04
Message-ID: 41efaae3.39b41852.390e.00a8@smtp.gmail.com (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-general
I guess what I am concerned about *is* running on a production server more
than a test server. Basically, I'd be taking a couple applications that are
running on the Oracle database instance, building a Postgresql instance, and
migrating them to that postgresql database instance. I'm just wondering
whether it's a bad idea to run them on the same server machine in a
production environment. (So instead of having 10 applications running on
Oracle on ServerComputerA...build a new postgresql instance on
ServerComputerA that lives along with Oracle and migrating 3 of the
applications to Postgresql.

Thank you for your time!

~ Troyston Campano ~

-----Original Message-----
From: Ian Barwick [mailto:barwick(at)gmail(dot)com] 
Sent: Thursday, January 20, 2005 3:07 AM
To: Troyston Campano
Cc: pgsql-admin(at)postgresql(dot)org; pgsql-general(at)postgresql(dot)org
Subject: Re: [GENERAL] Oracle and Postgresql Play Nice Together on Same
Computer?

On Thu, 20 Jan 2005 00:03:28 -0500, Troyston Campano
<troygeekdatabase(at)gmail(dot)com> wrote:
> 
> Hello, 
> 
> I am an Oracle DBA and I want do a Postgresql 'proof of concept' at the
> large corporation where I work to test the benefits of using Postgresql in
> our environment. I want to install Postgresql onto a "production" server
> that currently runs Oracle. Are there any problems with running Postgresql
> and Oracle on the same machine? I mean, I've heard that the way Sybase and
> DB2 UDB are architected to handle memory hurts Sybase when DB2 UDB is
> installed on the same machine as the Sybase Server (something about UDB
> eating up all the memory and not giving it back to Sybase). 
> 
> Are there any issues running Postgresql and Oracle on the same
> machine.anything special to know about memory, disk layout, and things
like
> that? I just want to make sure the two engines play together on this same
> server. I had a hard time finding information about this via google. 

For testing purposes there shouldn't be any problems, at least in a
*NIX environment. PostgreSQL is very undemanding and compared to
Oracle is positively minuscule (at least as far as its "installation
footprint" goes). I've run PostgreSQL, MySQL, DB2 and Oracle on the
same development machine without any issues. Of course if another
application is in constant use on a production server PostgreSQL won't
perform as well as it could.

Ian Barwick


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