From: | Andrew Sullivan <ajs(at)crankycanuck(dot)ca> |
---|---|
To: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Vacuum taking an age |
Date: | 2008-01-04 18:16:36 |
Message-ID: | 20080104181636.GN821@crankycanuck.ca |
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Thread: | |
Lists: | pgsql-admin |
On Fri, Jan 04, 2008 at 06:55:13AM +0200, Brian Modra wrote:
> I started a vacuum on the table yesterday, and its still running. I
> guess thats because the table is live. I am pretty sure that if I take
> it offline, then the vacuum will complete relatively quickly. Am I
> right? (I don't want to take it offline unless I really need to.)
No. The vacuum on that table is going to take a long time, period. See
upthread about not brushing teeth for 3 months.
Anyway, I can't believe a plain vacuum is going to help you here. I'd
perform CLUSTER or else dump the database and reload it. You're looking at
a service outage, I think.
A
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