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From: Christopher Browne <cbbrowne@acm.org>
To: pgsql-performance@postgresql.org
Subject: Re: Autovacuum / full vacuum
Date: Tue, 17 Jan 2006 08:59:28 -0500
Message-ID: <m364ojrm4f.fsf@mobile.int.cbbrowne.com> (raw)
References: <dqigaf$1b98$1@news.hub.org>

> I'm curious as to why autovacuum is not designed to do full vacuum. 

Because that's terribly invasive due to the locks it takes out.

Lazy vacuum may chew some I/O, but it does *not* block your
application for the duration.

VACUUM FULL blocks the application.  That is NOT something that anyone
wants to throw into the "activity mix" randomly.
-- 
let name="cbbrowne" and tld="gmail.com" in String.concat "@" [name;tld];;
http://linuxdatabases.info/info/slony.html
Signs of a Klingon Programmer #11: "This machine is a piece of GAGH! I
need dual Pentium processors if I am to do battle with this code!"



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