Re: pgaudit and create postgis extension logs a lot inserts

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Joe Conway <mail(at)joeconway(dot)com>
Cc: Svensson Peter <peter(dot)svensson(at)smhi(dot)se>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: pgaudit and create postgis extension logs a lot inserts
Date: 2018-01-19 11:05:43
Message-ID: CABUevExuUaAg5tW0Mcg_YRRLSsh_zudNuYir=314xDJGrkyVSg@mail.gmail.com
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On Thu, Jan 18, 2018 at 6:54 PM, Joe Conway <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?

--
Magnus Hagander
Me: https://www.hagander.net/ <http://www.hagander.net/>
Work: https://www.redpill-linpro.com/ <http://www.redpill-linpro.com/>

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