Re: Data directory on read-only media

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: Data directory on read-only media
Date: 2005-11-21 04:23:30
Message-ID: 200511202023.30606.josh@agliodbs.com
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Heikki,

> 4. Don't increment xid counter, just use a single xid for all
> transactions. Otherwise we might reach the xid wrap-around point, and we
> can't vacuum. It seems safe to me, am I missing anything?

Well, it eliminates transaction isolation. Completely.

--
Josh Berkus
Aglio Database Solutions
San Francisco

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