SV: pgaudit and create postgis extension logs a lot inserts

OK, thanks a lot.

Regards,
Peter
________________________________________
Från: David Steele [david(at)pgmasters(dot)net]
Skickat: den 19 januari 2018 14:41
Till: Magnus Hagander; Joe Conway
Kopia: Svensson Peter; pgsql-performance(at)postgresql(dot)org
Ämne: Re: pgaudit and create postgis extension logs a lot inserts

On 1/19/18 6:05 AM, Magnus Hagander wrote:
>
>
> On Thu, Jan 18, 2018 at 6:54 PM, Joe Conway <mail(at)joeconway(dot)com
> <mailto:mail(at)joeconway(dot)com>> wrote:
>
> On 01/18/2018 04:12 AM, Svensson Peter wrote:
> > When I then install postgis extension in a database it writes a huge
> > amount of logs which slow down the server a lot.
> > Not only table creation and functions are logged, even all inserts in
> > spatial_ref_sys are written to the audit-log.
> >
> > LOG: AUDIT: SESSION,1,1,DDL,CREATE FUNCTION,,,"
> > ......
> > INSERT INTO ""spatial_ref_sys"" (""srid"",""auth_name"
> > ....
> >
> > This behaviour make pgaudit useless in our environment due to the
> > overhead in log-file write.
>
> How often do you intend to install PostGIS? Disable pgaudit, install
> PostGIS, enable pgaudit?
>
>
> Would it make sense for pgaudit to, at least by option, not include DDL
> statements that are generated as "sub-parts" of a CREATE EXTENSION? It
> should still log the CREATE EXTENSION of course, but not necessarily all
> the contents of it, since that's actually defined in the extension
> itself already?
That's doable, but I think it could be abused if it was always on and
installing extensions is generally not a daily activity.

It seems in this case the best action is to disable pgaudit before
installing postgis or install postgis first.

Regards,
--
-David
david(at)pgmasters(dot)net