Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e6jNS-0006Et-IZ for pgsql-performance@arkaria.postgresql.org; Mon, 23 Oct 2017 20:31:14 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1e6jNR-000495-UF for pgsql-performance@arkaria.postgresql.org; Mon, 23 Oct 2017 20:31:13 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1e6jLf-0000xN-QZ for pgsql-performance@postgresql.org; Mon, 23 Oct 2017 20:29:23 +0000 Received: from n3.nabble.com ([162.255.23.22]) by magus.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e6jLb-0004Xx-Nh for pgsql-performance@postgresql.org; Mon, 23 Oct 2017 20:29:22 +0000 Received: from n3.nabble.com (localhost [127.0.0.1]) by n3.nabble.com (Postfix) with ESMTP id 35A6790AE4C1 for ; Mon, 23 Oct 2017 13:29:17 -0700 (MST) Date: Mon, 23 Oct 2017 13:29:17 -0700 (MST) From: legrand legrand To: pgsql-performance@postgresql.org Message-ID: <1508790557217-0.post@n3.nabble.com> In-Reply-To: References: Subject: Re: postgresql tuning with perf 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 Hi, could you providence the code used with PG ? Has table dept_new an index/pk on c1 ? Do you analyze this table after loading it ? Regards PAscal -- Sent from: http://www.postgresql-archive.org/PostgreSQL-performance-f2050081.html -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance