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From: Alvaro Herrera <alvherre@commandprompt.com>
To: me@alternize.com
Cc: Michael Riess <mlriess@gmx.de>
Cc: pgsql-performance@postgresql.org
Subject: Re: 15,000 tables
Date: Thu, 1 Dec 2005 18:16:04 -0300
Message-ID: <20051201211604.GA6375@surnet.cl> (raw)
In-Reply-To: <06f401c5f699$bbae2af0$0201a8c0@iwing>
References: <dmmujf$2rgd$1@news.hub.org>
	<c2d9e70e0512010742p5e5fb61dx84dfb8e332c05352@mail.gmail.com>
	<dmn6tm$1n9n$1@news.hub.org>
	<06f401c5f699$bbae2af0$0201a8c0@iwing>

me@alternize.com wrote:

> what i noticed is autovacuum not working properly as it should. i had 8.1 
> running with autovacuum for just 2 days or so and got warnings in pgadmin 
> that my tables would need an vacuum.

Hum, so how is autovacuum's documentation lacking?  Please read it
critically and let us know so we can improve it.

http://www.postgresql.org/docs/8.1/static/maintenance.html#AUTOVACUUM

Maybe what you need is to lower the "vacuum base threshold" for tables
that are small.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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