Horton

Re: Vacuuming the free space map considered harmful?

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Christophe Pettus <xof@thebuild.com>
Cc: Melanie Plageman <melanieplageman@gmail.com>, pgsql-hackers@postgresql.org
Date: 2025-03-19T14:12:27Z
Lists: pgsql-hackers 
Hi,

On 2025-03-19 15:05:47 +0100, Christophe Pettus wrote:
> > On Mar 19, 2025, at 14:12, Melanie Plageman <melanieplageman@gmail.com> wrote:
> > 
> > Do you know how big the FSM was?
> 
> Unfortunately, no; both installations are locked-down hosted environments.

That can be checked with pg_relation_size(), e.g.
  SELECT pg_relation_size('pg_class', 'fsm');
nothing special required.

Greetings,

Andres Freund