From: Barbara Stephenson <barbara@turbocorp.com>
To: pgsql-admin@postgresql.org
Cc: Guillaume Lelarge <guillaume@lelarge.info>
Subject: Re: Converting from 7.4.19 To 8.3.1 & want to use autovacuum
Date: Thu, 8 May 2008 07:51:54 -0400
Message-ID: <200805080751.54596.barbara@turbocorp.com> (raw)
In-Reply-To: <4822B18D.6020905@lelarge.info>
References: <200805071538.42882.barbara@turbocorp.com>
<4822B18D.6020905@lelarge.info>
Oh I have to look at the other parameters. Once the database is up and it's
not vacuuming like we want how do we make changes to the conf file while the
database is running? Some signal?
Guillaume Lelarge wrote:
> Hi,
>
> Barbara Stephenson a écrit :
> > We are new about autovacuum launcher on 8.3.1 and we are not sure what
> > the parameters should be set to. Is setting them to default ok until we
> > can monitor if it's vacumming too much?
>
> You can do that. But the default are, as always with PostgreSQL, really
> conservative. So you'll probably need to change them because it will not
> vacuum enough.
>
> > Below are the parameters that we think are the only params we need to do
> > a basic vacuum and analyze to our entire database.
> >
> > autovacuum=true
> > track_counts=ture
> > log_autovacuum_min_duration=1000ms
> > autovacuum_max_workers=3(default)
> > autovacuum_naptime=60
> > autovacuum_vacuum_threshold=50(default)
> >
> > Are the above settings all we need to start auto vacuuming?
>
> ISTM you forgot autovacuum_vacuum_scale_factor and the analyze parameters.
>
> Regards.
>
>
> --
> Guillaume.
> http://www.postgresqlfr.org
> http://dalibo.com
--
Regards,
Barbara Stephenson
EDI Specialist/Programmer
Turbo, division of Ozburn-Hessey Logistics
2251 Jesse Jewell Pkwy NE
Gainesville, GA 30507
tel: (678)989-3020 fax: (404)935-6171
barbara@turbocorp.com
www.ohlogistics.com
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-admin@postgresql.org
Cc: barbara@turbocorp.com, guillaume@lelarge.info
Subject: Re: Converting from 7.4.19 To 8.3.1 & want to use autovacuum
In-Reply-To: <200805080751.54596.barbara@turbocorp.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox