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From: Steve Crawford <scrawford@pinpointresearch.com>
To: Madison Kelly <linux@alteeve.com>
Cc: Brad Nicholson <bnichols@ca.afilias.info>
Cc: Gary Doades <gpd@gpdnet.co.uk>
Cc: pgsql-performance@postgresql.org
Subject: Re: DB is slow until DB is reloaded
Date: Mon, 04 Jan 2010 13:53:29 -0800
Message-ID: <4B426359.9040601@pinpointresearch.com> (raw)
In-Reply-To: <4B425E93.1050207@alteeve.com>
References: <4B423D22.7040803@alteeve.com>
	<4B424215.70605@pinpointresearch.com>
	<4B424FF6.40207@alteeve.com>
	<4B425222.7070905@gpdnet.co.uk>
	<4B425555.6020709@alteeve.com>
	<1262638856.29852.4.camel@bnicholson-desktop>
	<4B425E93.1050207@alteeve.com>

Madison Kelly wrote:
>
>   I wanted to get ahead of the problem, hence my question here. :) 
> I've set this to run at night ('iwt' being the DB in question):
>
> su postgres -c "psql iwt -c \"VACUUM ANALYZE VERBOSE\" 

And why not the vacuumdb command?:

su postgres -c "vacuumdb --analyze --verbose iwt"


But this is duct-tape and bailing-wire. You REALLY need to make sure 
that autovacuum is running - you are likely to have much better results 
with less pain.

Cheers,
Steve






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