From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Cc: Ralph Mason <ralph.mason@telogis.com>
Subject: Re: 'Real' auto vacuum?
Date: Tue, 30 Aug 2005 15:58:34 -0700
Message-ID: <200508301558.34697.josh@agliodbs.com> (raw)
In-Reply-To: <4314DBE0.9070708@telogis.com>
References: <4314DBE0.9070708@telogis.com>
Ralph,
> When a row is orphaned it's added to a list of possibly available rows.
> When a new row is needed the list of possible rows is examined and the
> first one with a transaction id less then the lowest running transaction
> id is chosen to be the new row? These rows can be in a heap so it's
> really fast to find one.
This is the long-term plan. However, it's actually a lot harder than it
sounds. Patches welcome.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco
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To: pgsql-performance@postgresql.org
Cc: josh@agliodbs.com, ralph.mason@telogis.com
Subject: Re: 'Real' auto vacuum?
In-Reply-To: <200508301558.34697.josh@agliodbs.com>
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