Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VHqO3-0000VS-2d for pgsql-hackers@arkaria.postgresql.org; Fri, 06 Sep 2013 07:23:23 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1VHqO2-0008J3-IC for pgsql-hackers@arkaria.postgresql.org; Fri, 06 Sep 2013 07:23:22 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VHqO1-0008Iu-Bh for pgsql-hackers@postgresql.org; Fri, 06 Sep 2013 07:23:21 +0000 Received: from acidenitrix.villemain.org ([91.121.90.165]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VHqNy-0006Js-87 for pgsql-hackers@postgresql.org; Fri, 06 Sep 2013 07:23:21 +0000 Received: from 89-157-16-54.rev.auchanbox.fr ([89.157.16.54] helo=Dimitris-MacBook-Air.local) by acidenitrix.villemain.org with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1VHqNw-0007Qb-49; Fri, 06 Sep 2013 09:23:16 +0200 From: Dimitri Fontaine To: Alvaro Herrera Cc: Bruce Momjian , Robert Haas , Peter Geoghegan , Tom Lane , Andrew Dunstan , PostgreSQL-development Subject: Re: [PERFORM] encouraging index-only scans Organization: 2ndQuadrant References: <15321.1355347953@sss.pgh.pa.us> <50C90154.8060103@dunslane.net> <50C904DB.9090305@dunslane.net> <20121213024837.GB22363@momjian.us> <23298.1355370698@sss.pgh.pa.us> <20130904205655.GR21874@momjian.us> <20130906001437.GA29264@momjian.us> <20130906020043.GH27195@momjian.us> <20130906052236.GF6067@eldon.alvh.no-ip.org> User-Mail-Address: dimitri@2ndQuadrant.fr Date: Fri, 06 Sep 2013 09:23:15 +0200 In-Reply-To: <20130906052236.GF6067@eldon.alvh.no-ip.org> (Alvaro Herrera's message of "Fri, 6 Sep 2013 01:22:36 -0400") Message-ID: User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3 (darwin) MIME-Version: 1.0 Content-Type: text/plain X-Pg-Spam-Score: -1.9 (-) 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 Alvaro Herrera writes: > I'm not sure if we need to expose all these new maintenance actions as > SQL commands. I strongly think we should, if only for diagnostic purposes. Also to adapt to some well defined workloads that the automatic system is not designed to handle. Regards, -- Dimitri Fontaine http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers