Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WFAPW-0002t7-J9 for pgsql-hackers@arkaria.postgresql.org; Sun, 16 Feb 2014 22:42:06 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1WFAPU-0001vd-Lc for pgsql-hackers@arkaria.postgresql.org; Sun, 16 Feb 2014 22:42:04 +0000 Received: from makus.postgresql.org ([2001:4800:7903:4::125]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WFAPT-0001vU-3w for pgsql-hackers@postgresql.org; Sun, 16 Feb 2014 22:42:03 +0000 Received: from 99-153-64-76.uvs.austtx.sbcglobal.net ([99.153.64.76] helo=noel.decibel.org) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WFAPL-0003xS-Bl for pgsql-hackers@postgresql.org; Sun, 16 Feb 2014 22:41:57 +0000 Received: from decina.local (65-86-67-40.client.dsl.net [65.86.67.40]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by noel.decibel.org (Postfix) with ESMTPSA id BD9766D45D; Sun, 16 Feb 2014 22:41:44 +0000 (UTC) Message-ID: <53011D60.8020005@nasby.net> Date: Sun, 16 Feb 2014 14:19:44 -0600 From: Jim Nasby User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: Jaime Casanova , Bruce Momjian CC: Robert Haas , Kevin Grittner , Amit Kapila , Josh Berkus , "pgsql-hackers@postgresql.org" Subject: Re: 9.2.1 & index-only scans : abnormal heap fetches after VACUUM FULL References: <20130112191404.255800@gmx.com> <20131127213320.GA3785@momjian.us> <20131128223805.GC20216@momjian.us> <20131203162556.GC27105@momjian.us> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -0.9 (/) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org On 1/24/14, 3:52 PM, Jaime Casanova wrote: > On Tue, Dec 3, 2013 at 11:25 AM, Bruce Momjian wrote: >> > >> >Is everyone else OK with this approach? Updated patch attached. >> > > Hi, > > I started to look at this patch and i found that it fails an assertion > as soon as you run a VACUUM FULL after a lazy VACUUM even if those are > on unrelated relations. For example in an assert-enabled build with > the regression database run: > > VACUUM customer; > [... insert here whatever commands you like or nothing at all ...] > VACUUM FULL tenk1; Is anyone else confused/concerned that regression testing didn't pick this up? The vacuum.sql test does not test lazy vacuum at all, and I can't seem to find any other tests that test lazy vacuum either... -- Jim C. Nasby, Data Architect jim@nasby.net 512.569.9461 (cell) http://jim.nasby.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers