Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id D87B42E0262 for ; Wed, 5 Dec 2007 12:38:36 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 22962-03-2 for ; Wed, 5 Dec 2007 12:38:33 -0400 (AST) Received: from lists.commandprompt.com (host-159.commandprompt.net [207.173.203.159]) by postgresql.org (Postfix) with ESMTP id EB3C12E02E1 for ; Wed, 5 Dec 2007 12:38:33 -0400 (AST) Received: from perhan.alvh.no-ip.org (200-126-109-160.bk7-dsl.surnet.cl [200.126.109.160]) (authenticated bits=0) by lists.commandprompt.com (8.13.8/8.13.8) with ESMTP id lB5GcTwK007370 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 5 Dec 2007 08:38:32 -0800 Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id E37D247C69; Wed, 5 Dec 2007 13:38:28 -0300 (CLST) Date: Wed, 5 Dec 2007 13:38:28 -0300 From: Alvaro Herrera To: Greg Sabino Mullane Cc: pgsql-admin@postgresql.org Subject: Re: Enhancement request Message-ID: <20071205163828.GF16991@alvh.no-ip.org> References: <10684.1196480658@sss.pgh.pa.us> <09fbbcab762fc5279e45349ce1cbad93@biglumber.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <09fbbcab762fc5279e45349ce1cbad93@biglumber.com> User-Agent: Mutt/1.5.16 (2007-06-11) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0 (lists.commandprompt.com [207.173.203.159]); Wed, 05 Dec 2007 08:38:33 -0800 (PST) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200712/24 X-Sequence-Number: 27541 Greg Sabino Mullane wrote: > I am curious however, as to what the future vision of autovacuum is. > Will it be so efficient that it won't impact all but the busiest tables? I think so; the guys with the dead space map ideas would know. > Will it be able to figure out the best time to vacuum on its own? No -- the admin will still need to configure it, of course. > Will it stop itself mid-run if the need arises? That's the idea if we get cancellable vacuum, yes. -- Alvaro Herrera http://www.amazon.com/gp/registry/5ZYLFMCVHXC Thou shalt study thy libraries and strive not to reinvent them without cause, that thy code may be short and readable and thy days pleasant and productive. (7th Commandment for C Programmers)