Received: from maia.hub.org (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id 1488F632D64 for ; Thu, 11 Feb 2010 14:42:29 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 98701-05 for ; Thu, 11 Feb 2010 18:42:04 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-fx0-f228.google.com (mail-fx0-f228.google.com [209.85.220.228]) by mail.postgresql.org (Postfix) with ESMTP id 5EFDA63224F for ; Thu, 11 Feb 2010 14:42:15 -0400 (AST) Received: by fxm28 with SMTP id 28so403276fxm.34 for ; Thu, 11 Feb 2010 10:42:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=H2un2biQrorMgAq+XtKYoy4KC9ka4NpbYODlqc3XrsM=; b=yH+KGrhq5YjZQCKia7SyXQXJE975WPPh/8Xf13yAkfTsgEkfdKITSRpFO+iuEfo6gD RSsyc3FV74E4lwbLpTtPkCBQy10I8AtNgoDcuF7Fcuk65+LB3JC2Z8xkb+sQk0VBrh5/ In2kZQdrGlDH7/dJFWdYmeWfI9ixlAWF51S80= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=O6yYgAWQGIMQlJuNIPhAb9ai6Nu3jiB1VOmFwVyk4IXXXVqw4Y3yeu5S64wRAE2OVc nmDj1VhHy1FQMNaf1nTBdNms/5Y0M2PxF+xMdHBsJ9q2TBYOufTVbuEqJOAdLs+shmJz VPdpWt0nyDT23gaS8BRJJTp3qPyqH0zIZ/uQQ= MIME-Version: 1.0 Received: by 10.239.191.199 with SMTP id c7mr25009hbi.164.1265913733517; Thu, 11 Feb 2010 10:42:13 -0800 (PST) In-Reply-To: <1265913196.7341.2334.camel@ebony> References: <20100208043355.412637541B9@cvs.postgresql.org> <1265883032.7341.1149.camel@ebony> <201002111204.10183.andres@anarazel.de> <4B73FDC8.3050208@enterprisedb.com> <1265894548.7341.1521.camel@ebony> <10339.1265905658@sss.pgh.pa.us> <1265913196.7341.2334.camel@ebony> Date: Thu, 11 Feb 2010 13:42:13 -0500 Message-ID: <603c8f071002111042y40971cfbod4628a2028925d67@mail.gmail.com> Subject: Re: Re: [COMMITTERS] pgsql: Remove old-style VACUUM FULL (which was known for a little while From: Robert Haas To: Simon Riggs Cc: Tom Lane , Heikki Linnakangas , Andres Freund , pgsql-hackers@postgresql.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.474 tagged_above=-10 required=5 tests=AWL=0.125, BAYES_00=-2.599 X-Spam-Level: X-Archive-Number: 201002/915 X-Sequence-Number: 157258 On Thu, Feb 11, 2010 at 1:33 PM, Simon Riggs wrote: > Avoiding a scan before running pg_upgrade is just a performance > optimisation. But using pg_upgrade AT ALL is also a performance optimization; in fact AFAICS it's the only reason to use pg_upgrade. So if you take that away there's no reason to use it at all. ...Robert