Re: Bloated pg_shdepend_depender_index

On 3/23/06, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> > amarokcollection=#  select relname, pg_relation_size(oid) FROM
> > pg_class ORDER BY 2 DESC LIMIT 20;
> >              relname             | pg_relation_size
> > ---------------------------------+------------------
> >  pg_attribute_relid_attnam_index |       2881069056
> >  pg_class_relname_nsp_index      |       1185890304
>
> That's in a different database --- evidently, the one where a *whole*
> lotta temp tables have been created and dropped.  If you haven't been
> doing any vacuuming then system catalog bloat is to be expected.

Oh sure enough it is.. I'm glad I copied the prompt. :)

So it's by design that these now bloated index won't shrink if let
unvacuumed? I didn't expect to hit something like that.

Okay, so long as it wasn't a bug. I've reindexed the system tables
now. The database is now 6mb on disk.. a big improvement from 6gb. :)

Thanks.