X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id EE4669DC97A for ; Tue, 17 Jan 2006 13:17:02 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 08140-10 for ; Tue, 17 Jan 2006 13:17:01 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from r1.mycybernet.net (r1.mycybernet.net [209.5.206.8]) by postgresql.org (Postfix) with ESMTP id B9CB39DC95C for ; Tue, 17 Jan 2006 13:17:00 -0400 (AST) Received: from 227-54-222-209.mycybernet.net ([209.222.54.227]:34831 helo=phlogiston.dydns.org) by r1.mycybernet.net with esmtp (Exim 4.50 (FreeBSD)) id 1EyuS4-000K1r-5H for pgsql-performance@postgresql.org; Tue, 17 Jan 2006 12:17:00 -0500 Received: by phlogiston.dydns.org (Postfix, from userid 1000) id 42F4F406B; Tue, 17 Jan 2006 12:16:56 -0500 (EST) Date: Tue, 17 Jan 2006 12:16:56 -0500 From: Andrew Sullivan To: pgsql-performance@postgresql.org Subject: Re: Autovacuum / full vacuum Message-ID: <20060117171656.GL21092@phlogiston.dyndns.org> References: <43CCC711.504@familyhealth.com.au> <20060117150800.GF21092@phlogiston.dyndns.org> <1137513565.25500.4.camel@state.g2switchworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1137513565.25500.4.camel@state.g2switchworks.com> User-Agent: Mutt/1.5.9i X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.083 required=5 tests=[AWL=0.083] X-Spam-Score: 0.083 X-Spam-Level: X-Archive-Number: 200601/249 X-Sequence-Number: 16727 On Tue, Jan 17, 2006 at 09:59:25AM -0600, Scott Marlowe wrote: > I have to admit, looking at the documentation, that we really don't > explain this all that well in the administration section, and I can see > how easily led astray beginners are. I understand what you mean, but I suppose my reaction would be that what we really need is a place to keep these things, with a note in the docs that the "best practice" settings for these are documented at , and evolve over time as people gain expertise with the new features. I suspect, for instance, that nobody knows exactly the right settings for any generic workload yet under 8.1 (although probably people know them well enough for particular workloads). A -- Andrew Sullivan | ajs@crankycanuck.ca This work was visionary and imaginative, and goes to show that visionary and imaginative work need not end up well. --Dennis Ritchie