Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dUcSg-0003Bb-Ar for pgsql-performance@arkaria.postgresql.org; Mon, 10 Jul 2017 17:27:06 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1dUcSf-00033v-Tg for pgsql-performance@arkaria.postgresql.org; Mon, 10 Jul 2017 17:27:05 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dUcQu-00074A-AN for pgsql-performance@postgresql.org; Mon, 10 Jul 2017 17:25:16 +0000 Received: from mwork.nabble.com ([162.253.133.43]) by makus.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dUcQm-0002gc-LK for pgsql-performance@postgresql.org; Mon, 10 Jul 2017 17:25:15 +0000 Received: from mben.nabble.com (unknown [162.253.133.72]) by mwork.nabble.com (Postfix) with ESMTP id 67D0451A0F9F5 for ; Mon, 10 Jul 2017 10:25:07 -0700 (MST) Date: Mon, 10 Jul 2017 10:25:07 -0700 (MST) From: rverghese To: pgsql-performance@postgresql.org Message-ID: <1499707507430-5970681.post@n3.nabble.com> Subject: vacuum analyze affecting query performance MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 We are on Postgres 9.5, and have been running a daily vacuum analyze on the entire database since 8.2 The data has grown exponentially since, and we are seeing that queries are now being significantly affected while the vacuum analyze runs. The query database is a Slony slave. So the question is, is this typical behavior and should we still be running a daily vacuum analyze on the database? Thanks! RV -- View this message in context: http://www.postgresql-archive.org/vacuum-analyze-affecting-query-performance-tp5970681.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