Re: Experience with large number of tables in single PostgreSQL instance

I'd agree, certainly in my experiences.

You need to ensure OS parameters such as the max open files (fs.file-max if we're talking Linux) is set appropriately. Baring in mind each user will have an open file on each underlying datafile for the databases they're connected to.

Dale

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On 10/04/2013 08:24, Vasilis Ventirozos wrote:

On Wed, Apr 10, 2013 at 10:10 AM, Vedran Krivokuca <vkrivokuca@gmail.com> wrote:

On Wed, Apr 10, 2013 at 9:07 AM, Vedran Krivokuca <vkrivokuca@gmail.com> wrote:
> 1) we can go with different instances of PostgreSQL service, let's say
> (for pure theory) 10 of them on the same HA cluster setup. Every
> instance would hold let's say 1/10th of that big recordset, and around
> 3.000 database tables (this apparently shouldn't be of any problem to
> PostgreSQL, see below).

I am talking shit here, obviously, excuse me. We would go with, for
example, 10 or 100 databases in the same PostgreSQL instance.
Buzzwording got better of me. :) The rest of my initial e-mail still
applies, I will cherish any input of experience on this subject.

V.

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I think that a limitation would be on the OS (filesystem and kernel) because each table 
is a file (or more) under a directory (per database). I haven't got experience on how 

modern Linux system cope with that but i think it would be something easy to test.
Database wise you shouldn't have a problem.