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From: Alvaro Herrera <alvherre@commandprompt.com>
To: Pavel Rotek <pavel.rotek@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Toast space grows
Date: Fri, 7 Mar 2008 10:19:25 -0300
Message-ID: <20080307131925.GC11041@alvh.no-ip.org> (raw)
In-Reply-To: <3556c08c0803070459i8598423t64e0704e48af533@mail.gmail.com>
References: <3556c08c0803070035p6d8b4aa8m6318f54728f61022@mail.gmail.com>
	<47D10722.4080508@archonet.com>
	<3556c08c0803070129y6ffabf32i1c8bae445ec460e0@mail.gmail.com>
	<20080307065314.1248665b.wmoran@collaborativefusion.com>
	<3556c08c0803070459i8598423t64e0704e48af533@mail.gmail.com>

Pavel Rotek escribió:
> 2008/3/7, Bill Moran <wmoran@collaborativefusion.com>:

> > Don't do vacuum full on this table.  Do frequent vacuums.  The table will
> > bloat some, but not 10x the required size, once you find a reasonable
> > frequency for vacuums.  You might find it practical to manually vacuum
> > this table from your application after insert and update operations.
> 
> I perform autovacuum daily.

Sorry, this sentence makes no sense.  Do you mean that you set
autovacuum_naptime=1 day?  If so, that's a bad idea -- you should let
autovacuum run far more frequently.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support



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