Re: XID wraparound in 8.4

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Devrim GÜNDÜZ <devrim(at)gunduz(dot)org>
Cc: Anj Adu <fotographs(at)gmail(dot)com>, pgsql-admin(at)postgresql(dot)org
Subject: Re: XID wraparound in 8.4
Date: 2009-08-11 22:04:27
Message-ID: 20090811220427.GJ16362@alvh.no-ip.org
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Devrim GÜNDÜZ escribió:

> FWIW, PostgreSQL 8.3+ will start autovacuum (even if it is turned off)
> if a database is approaching XID wraparound, and get rid of the
> problem-- so you don't actually need to check it.

8.1 does it too. The main difference is that 8.1 will run a
database-wide vacuum, whereas in 8.2 and up it only vacuum tables that
have not been vacuumed recently.

--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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