Re: Bloated pg_catalog.pg_largeobjects

You have to run vacuumlo to remove orphaned large objects.
https://www.postgresql.org/docs/current/vacuumlo.html

Regards,
Priyanka

On Sun, 21 Jul 2024 at 12:46 AM, <postgresql@thewickedtribe.net> wrote:

> Hello All,
>
> I've got a cluster that's having issues with pg_catalog.pg_largeobject
> getting massively bloated. Vacuum is running OK and there's 700GB of free
> space in the table and only 100GB of data, but subsequent inserts seem to
> be not using space from the FSM and instead always allocating new pages.
> The table just keeps growing.
>
> Is this a known thing, maybe something special about LOs?
>
> Also, is the only way to recover space here a vacuum full on the table
> since it's a catalog table?
>
> Thanks,
> --
> Jon Erdman (aka StuckMojo on IRC)
>     PostgreSQL Zealot
>