Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WmEge-0003Th-Sp for pgsql-performance@arkaria.postgresql.org; Mon, 19 May 2014 03:56:29 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1WmEgd-0001Fk-FI for pgsql-performance@arkaria.postgresql.org; Mon, 19 May 2014 03:56:27 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WmEgb-0001FZ-7u for pgsql-performance@postgresql.org; Mon, 19 May 2014 03:56:25 +0000 Received: from sam.nabble.com ([216.139.236.26]) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WmEgT-0007rE-50 for pgsql-performance@postgresql.org; Mon, 19 May 2014 03:56:24 +0000 Received: from [192.168.236.26] (helo=sam.nabble.com) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1WmEgS-00010X-8H for pgsql-performance@postgresql.org; Sun, 18 May 2014 20:56:16 -0700 Date: Sun, 18 May 2014 20:56:16 -0700 (PDT) From: tim_wilson To: pgsql-performance@postgresql.org Message-ID: <1400471776246-5804424.post@n5.nabble.com> In-Reply-To: <1400459729388-5804416.post@n5.nabble.com> References: <1400459729388-5804416.post@n5.nabble.com> 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 Just to add a little more detail about my busy_table 1) there are no rows deleted 2) 98% of updates are HOT 3) there are two DB's on this postgres instance both with the same table, both seeing the same issue -- View this message in context: http://postgresql.1045698.n5.nabble.com/autovacuum-vacuum-creates-bad-statistics-for-planner-when-it-log-index-scans-0-tp5804416p5804424.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