Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id E48429FBC57 for ; Wed, 16 May 2007 18:41:49 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 66162-07 for ; Wed, 16 May 2007 18:41:46 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from lists.commandprompt.com (host-254.commandprompt.net [207.173.203.254]) by postgresql.org (Postfix) with ESMTP id 382049FBBF3 for ; Wed, 16 May 2007 18:41:46 -0300 (ADT) Received: from perhan.alvh.no-ip.org (201-221-217-243.bk12-dsl.surnet.cl [201.221.217.243]) (authenticated bits=0) by lists.commandprompt.com (8.13.7/8.13.6) with ESMTP id l4GLfbgH028716; Wed, 16 May 2007 14:41:38 -0700 Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 1C39F32A13; Wed, 16 May 2007 17:41:30 -0400 (CLT) Date: Wed, 16 May 2007 17:41:30 -0400 From: Alvaro Herrera To: Tom Lane Cc: Heikki Linnakangas , Chris Browne , pgsql-patches@postgresql.org Subject: Re: [DOCS] Autovacuum and XID wraparound Message-ID: <20070516214130.GN4582@alvh.no-ip.org> References: <23362.1179292856@sss.pgh.pa.us> <20070516124420.GA4582@alvh.no-ip.org> <464B0E5A.1070807@enterprisedb.com> <6549.1179344646@sss.pgh.pa.us> <464B60A7.3070106@enterprisedb.com> <7145.1179347418@sss.pgh.pa.us> <464B6B08.6030609@enterprisedb.com> <7460.1179349272@sss.pgh.pa.us> <20070516210531.GL4582@alvh.no-ip.org> <7667.1179350456@sss.pgh.pa.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7667.1179350456@sss.pgh.pa.us> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: ClamAV version 0.88.5, clamav-milter version 0.88.5 on projects.commandprompt.com X-Virus-Status: Clean X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.6 (lists.commandprompt.com [192.168.2.159]); Wed, 16 May 2007 14:41:38 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/258 X-Sequence-Number: 2358 Tom Lane wrote: > Alvaro Herrera writes: > > Tom Lane wrote: > >> Heikki Linnakangas writes: > >>> How about freezing anything older than vacuum_freeze_min_age, just like > >>> VACUUM does? > >> > >> I suppose that'd be OK, but is it likely to be worth the trouble? > > > I think so, because it means that people using CLUSTER to keep the size > > of tables in line instead of VACUUM, would not need the otherwise > > mandatory VACUUM. > > Fair enough. Who will fix the already-applied patch? I'm on it. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.