From: Steinar H. Gunderson <sgunderson@bigfoot.com>
To: pgsql-performance@postgresql.org
Subject: Re: What's The Difference Between VACUUM and VACUUM ANALYZE?
Date: Wed, 9 May 2007 00:06:08 +0200
Message-ID: <20070508220608.GA8457@uio.no> (raw)
In-Reply-To: <20070508215213.GC24167@alvh.no-ip.org>
References: <b09064f30705081443w25bf2e6o3a663c5f3a2a7798@mail.gmail.com>
<20070508215213.GC24167@alvh.no-ip.org>
On Tue, May 08, 2007 at 05:52:13PM -0400, Alvaro Herrera wrote:
>> I am trying to follow a message thread. One guy says we should be running
>> vacuum analyze daily and the other says we should be running vacuum multiple
>> times a day. I have tried looking for what a vacuum analyze is to help me
>> understand but no luck.
> VACUUM ANALYZE is like VACUUM, except that it also runs an ANALYZE
> afterwards.
Shoot me if I'm wrong here, but doesn't VACUUM ANALYZE check _all_ tuples,
as compared to the random selection employed by ANALYZE?
/* Steinar */
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Homepage: http://www.sesse.net/
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To: pgsql-performance@postgresql.org
Cc: sgunderson@bigfoot.com
Subject: Re: What's The Difference Between VACUUM and VACUUM ANALYZE?
In-Reply-To: <20070508220608.GA8457@uio.no>
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