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From: Mark Roberts <mailing_lists@pandapocket.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Matthew Wakeling <matthew@flymine.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: Database size Vs performance degradation
Date: Wed, 30 Jul 2008 11:04:21 -0700
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On Wed, 2008-07-30 at 13:51 -0400, Tom Lane wrote:
> 
> 
> Huh?  Vacuum doesn't block writes.
> 
>                         regards, tom lane
> 

Of course, you are correct.  I was thinking of Vacuum full, which is
recommended for use when you're deleting the majority of rows in a
table.

http://www.postgresql.org/docs/8.1/interactive/sql-vacuum.html

-Mark




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