Re: Storing many big files in database- should I do it?

Alvaro Herrera <alvherre@commandprompt.com>

From: Alvaro Herrera <alvherre@commandprompt.com>
To: Justin Graf <justin@magwerks.com>
Cc: David Wall <d.wall@computer.org>, Postgres General Postgres General <pgsql-general@postgresql.org>
Date: 2010-04-29T19:11:40Z
Lists: pgsql-general
Justin Graf wrote:
> On 4/29/2010 12:07 PM, David Wall wrote:
> >
> >
> > Big downside for the DB is that all large objects appear to be stored 
> > together in pg_catalog.pg_largeobject, which seems axiomatically 
> > troubling that you know you have lots of big data, so you then store 
> > them together, and then worry about running out of 'loids'.
> Huh ???  isn't that point of using bytea or text datatypes.
> 
> I could have sworn bytea does not use large object interface it uses 
> TOAST or have i gone insane

Each toasted object also requires an OID, so you cannot have more than 4
billion toasted attributes in a table.

I've never seen this to be a problem in real life, but if you're talking
about having that many large objects, then it will be a problem with
toast too.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support