Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WsiRN-0000Jy-3Y for pgsql-performance@arkaria.postgresql.org; Fri, 06 Jun 2014 00:55:29 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1WsiRM-0007YS-Hi for pgsql-performance@arkaria.postgresql.org; Fri, 06 Jun 2014 00:55:28 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1WsiRK-0007Xv-8B for pgsql-performance@postgresql.org; Fri, 06 Jun 2014 00:55:26 +0000 Received: from sam.nabble.com ([216.139.236.26]) by makus.postgresql.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1WsiRF-0005Yr-Af for pgsql-performance@postgresql.org; Fri, 06 Jun 2014 00:55:23 +0000 Received: from [192.168.236.26] (helo=sam.nabble.com) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1WsiRD-0005em-SR for pgsql-performance@postgresql.org; Thu, 05 Jun 2014 17:55:19 -0700 Date: Thu, 5 Jun 2014 17:55:19 -0700 (PDT) From: tim_wilson To: pgsql-performance@postgresql.org Message-ID: <1402016119875-5806283.post@n5.nabble.com> In-Reply-To: <11299.1400559202@sss.pgh.pa.us> References: <1400459729388-5804416.post@n5.nabble.com> <11299.1400559202@sss.pgh.pa.us> Subject: Re: autovacuum vacuum creates bad statistics for planner when it log index scans: 0 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: 2.6 (++) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org Thanks for you response Tom: but what does index_scans:0 mean? vs index scans: 1? I have had a look at the c code but cannot see when it that would be the case. -- View this message in context: http://postgresql.1045698.n5.nabble.com/autovacuum-vacuum-creates-bad-statistics-for-planner-when-it-log-index-scans-0-tp5804416p5806283.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com. -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance