Re: Fresh Restore - relation contains more than "max_fsm_pages"

From: "Maton, Brett" <matonb(at)ltresources(dot)co(dot)uk>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Fresh Restore - relation contains more than "max_fsm_pages"
Date: 2011-07-29 07:57:49
Message-ID: CAAn8SBHZJ3N640GrMLpCJ1FyM2G2To=7oZzOoMaZrix3S8TR_g@mail.gmail.com
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Thanks Craig,

Is there a query I can run to check if the Fill Factor was changed ?
The restore was executed as a single pg_restore, rather than schema then
data,,,,

I'm trying to get PG upgraded to 8.4, but you know it is......

Brett

On 29 July 2011 04:56, Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> wrote:

> On 28/07/11 18:13, Maton, Brett wrote:
> > postgresql v8.3.14
> >
> > Can anyone help me identify why a vacuum on clean pg_restore database
> > would give this warning?
> > I've been told that the database was restored and not been touched
> > since, i.e. no inserts / updates or deletes. So I'm curious as to why
> > it appears to have been created with excessive "holes".
>
> Maybe a non-default FILLFACTOR was set on some tables/indexes?
>
> Or - especially if restore was done as schema followed by data rather
> than all in one - the index creation and subsequent updates freed too
> many pages?
>
> Personally, I'd recommend moving to 8.4 or above, where you no longer
> need worry about the free space map at all.
>
> --
> Craig Ringer
>

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