| From: | Magnus Hagander <magnus(at)hagander(dot)net> |
|---|---|
| To: | depesz <depesz(at)depesz(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Getting pg_stat_database data takes significant time |
| Date: | 2021-08-12 16:20:23 |
| Message-ID: | CABUevExunNP4NXwDzKokqVyNhFHopL+VPKMyXTO8on5aXegiwQ@mail.gmail.com |
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| Lists: | pgsql-general |
On Thu, Aug 12, 2021 at 4:38 PM hubert depesz lubaczewski
<depesz(at)depesz(dot)com> wrote:
>
> On Thu, Aug 12, 2021 at 11:32:15AM +0200, Magnus Hagander wrote:
> > Which database are you connected to? If you just want to look at the
> > global stats, it might help to be connected to a database that is
> > *not* the one with all the tables in -- e.g. connect to "postgres" and
> > query pg_stat_database looking for values on a different database? In
> > this case it would open files for "global", for "database postgres"
> > and "shared relations" only and skip the file for your db with many
> > objects. I think.
>
> I'm connected to the db I need data about, and I need data from virtualy
> all columns of pg_stat_database.
Try connecting to a different database, while still querying all columns.
--
Magnus Hagander
Me: https://www.hagander.net/
Work: https://www.redpill-linpro.com/
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