Re: vacuum full 100 mins plus?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Patrick Hatcher <PHatcher(at)macys(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: vacuum full 100 mins plus?
Date: 2004-07-15 00:13:13
Message-ID: 200407141713.13472.josh@agliodbs.com
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Patrick,

> Answered my own question. I gave up the vacuum full after 150 mins. I was
> able to export to a file, vacuum full the empty table, and reimport in less
> than 10 mins. I suspect the empty item pointers and the sheer number of
> removable rows was causing an issue.

Yeah. If you've a table that's not been vacuumed in a month, it's often
faster to clean it out and import it.

I've seen vacuums take up to 3 hours in really bad cases.

--
-Josh Berkus
Aglio Database Solutions
San Francisco

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