From: Victor Yegorov <viy@pirmabanka.lv>
To: Tomasz Myrta <jasiek@klaster.net>
Cc: Postgres SQL <pgsql-sql@postgresql.org>
Subject: Re: vacuum all but system tables
Date: Wed, 19 Mar 2003 17:02:42 +0200
Message-ID: <20030319150242.GG14195@pirmabanka.lv> (raw)
In-Reply-To: <3E788484.9050604@klaster.net>
References: <20030319083846.GB14195@pirmabanka.lv>
<6527.1048084170@sss.pgh.pa.us>
<20030319143954.GD14195@pirmabanka.lv>
<3E788484.9050604@klaster.net>
* Tomasz Myrta <jasiek@klaster.net> [19.03.2003 16:57]:
> U?ytkownik Victor Yegorov napisa?:
> >* Tom Lane <tgl@sss.pgh.pa.us> [19.03.2003 16:32]:
> >
> >>"Victor Yegorov" <viy@pirmabanka.lv> writes:
> >>
> >>>I'd like to make a script to automatically vacuum all my DBs nightly. And
> >>>I'd like to skip system tables, starting with pg_*.
> >>
> >>Um ... what in the world makes you think that's a good idea? System
> >>tables need maintenance too.
> >>
> >> regards, tom lane
> >
> >
> >Yes, of course they need.
> >
> >May be I'll put my question in a different manner:
> >
> >System tables are location-wide (I mean one set of tables for PostgreSQL
> >location) or each database has it's own set of system tables?
> >
> >If second, I apologies for noising. If first, I'd like to have a separate
> >script for them.
>
> They are location-wide. What's wrong with default vacuuming all
> databases at once nightly? Or maybe you better need to vacuume only
> specific tables?
Tom Lane pointed, that only 3 tables are location-wide:
pg_database, pg_shadow, pg_group.
Anyway, I understood, that there is more 'good' than 'bad' in vacuuming system
tables ;)
Thanks everyone.
--
Victor Yegorov
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To: pgsql-sql@postgresql.org
Cc: viy@pirmabanka.lv, jasiek@klaster.net
Subject: Re: vacuum all but system tables
In-Reply-To: <20030319150242.GG14195@pirmabanka.lv>
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