Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1ev4qz-0007cd-Uo for pgsql-performance@arkaria.postgresql.org; Sun, 11 Mar 2018 17:33:50 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1ev4qy-0001iq-Ho for pgsql-performance@arkaria.postgresql.org; Sun, 11 Mar 2018 17:33:48 +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 4.89) (envelope-from ) id 1ev4qy-0001ig-6n for pgsql-performance@lists.postgresql.org; Sun, 11 Mar 2018 17:33:48 +0000 Received: from n3.nabble.com ([162.255.23.22]) by makus.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1ev4qu-0003ki-Vx for pgsql-performance@postgresql.org; Sun, 11 Mar 2018 17:33:46 +0000 Received: from n3.nabble.com (localhost [127.0.0.1]) by n3.nabble.com (Postfix) with ESMTP id 04F2EBA452C0 for ; Sun, 11 Mar 2018 10:33:43 -0700 (MST) Date: Sun, 11 Mar 2018 10:33:42 -0700 (MST) From: dangal To: pgsql-performance@postgresql.org Message-ID: <1520789622976-0.post@n3.nabble.com> In-Reply-To: References: <1520772521740-0.post@n3.nabble.com> Subject: Re: Memory size MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk jeff thank you very much for your time, I tell you, they are the same queries with the same parameters, I take 3 minutes for example, but I execute it and it takes me seconds, that's why I suspect it is the shared buffer The server had 16 GB and we increased it to 24, but I really do not know if it should continue to increase since they are not our own resources, we have to ask for them and justify them -- Sent from: http://www.postgresql-archive.org/PostgreSQL-performance-f2050081.html