Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1YfXVg-0007lR-Tx for pgsql-performance@arkaria.postgresql.org; Tue, 07 Apr 2015 17:42:01 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1YfXVg-00060y-9I for pgsql-performance@arkaria.postgresql.org; Tue, 07 Apr 2015 17:42:00 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1YfXVf-00060n-3N for pgsql-performance@postgresql.org; Tue, 07 Apr 2015 17:41:59 +0000 Received: from mx-out.zmailcloud.com ([192.198.85.98] helo=mx-out-1.zmailcloud.com) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1YfXVV-0000pP-Ia for pgsql-performance@postgresql.org; Tue, 07 Apr 2015 17:41:57 +0000 Received: from smtp.01.com (smtp.01.com [10.10.0.43]) by mx-out-1.zmailcloud.com (Postfix) with ESMTP id 31EF95640C4; Tue, 7 Apr 2015 12:41:47 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 2A2576022E; Tue, 7 Apr 2015 12:41:47 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JuKDnY5FSwBB; Tue, 7 Apr 2015 12:41:47 -0500 (CDT) Received: from smtp.01.com (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 0A5356022D; Tue, 7 Apr 2015 12:41:47 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id E3C486022E; Tue, 7 Apr 2015 12:41:46 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id AHEifr_UHMdg; Tue, 7 Apr 2015 12:41:46 -0500 (CDT) Received: from [172.47.23.104] (50-0-89-53.dsl.dynamic.fusionbroadband.com [50.0.89.53]) by smtp-out-2.01.com (Postfix) with ESMTPSA id 6A4E16022D; Tue, 7 Apr 2015 12:41:46 -0500 (CDT) Message-ID: <552416D6.2040108@agliodbs.com> Date: Tue, 07 Apr 2015 10:41:42 -0700 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Mel Llaguno , =?UTF-8?B?UHJ6ZW15c8WCYXcgRGXEhw==?= CC: "pgsql-performance@postgresql.org" Subject: Re: Some performance testing? References: <551AFB01.50309@agliodbs.com> <5522F1DF.8090204@agliodbs.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) 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 On 04/07/2015 09:46 AM, Mel Llaguno wrote: > FYI - all my tests were conducted using Ubuntu 12.04 x64 LTS (which I > believe are all 3.xx series kernels). If it's 3.2 or 3.5, then your tests aren't useful, I'm afraid. Both of those kernels have known, severe, memory management issues. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance