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Re: "Vacuum Full Analyze" taking so long

From: Michael Stone <mstone+postgres(at)mathom(dot)us>
To: "Tomeh, Husam" <htomeh(at)firstam(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: "Vacuum Full Analyze" taking so long
Date: 2005-07-25 21:30:58
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
I'd say, "don't do that". Unless you've deleted a lot of stuff and are
expecting the DB to shrink, a full vacuum shouldn't really be needed. On
a DB that big a full vacuum is just going to take a long time. If you
really are shrinking, consider structuring things so you can just drop a
table instead of vacuuming it (the drop is fairly instantaneous). If you
can't do that, consider dropping the indices, vacuuming, and recreating
the indices. 

Mike Stone

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