Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XHzbj-0005Aj-6i for pgsql-performance@arkaria.postgresql.org; Thu, 14 Aug 2014 18:18:39 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1XHzbi-00070R-I5 for pgsql-performance@arkaria.postgresql.org; Thu, 14 Aug 2014 18:18:38 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1XHzbh-00070K-Nn for pgsql-performance@postgresql.org; Thu, 14 Aug 2014 18:18:37 +0000 Received: from 01.zmailcloud.com ([192.198.85.104] helo=mx-out-1.zmailcloud.com) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XHzbe-0005vY-8q for pgsql-performance@postgresql.org; Thu, 14 Aug 2014 18:18:36 +0000 Received: from smtp.01.com (smtp.01.com [10.10.0.43]) by mx-out-1.zmailcloud.com (Postfix) with ESMTP id 88F495644BD for ; Thu, 14 Aug 2014 13:18:33 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 8243D60457 for ; Thu, 14 Aug 2014 13:18:33 -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 ZNtgbXrYwhC3 for ; Thu, 14 Aug 2014 13:18:33 -0500 (CDT) Received: from smtp.01.com (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 6234260454 for ; Thu, 14 Aug 2014 13:18:33 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 5521B60457 for ; Thu, 14 Aug 2014 13:18:33 -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 PaNLREFdAiUW for ; Thu, 14 Aug 2014 13:18:33 -0500 (CDT) Received: from [172.47.23.104] (70-36-143-82.dsl.dynamic.sonic.net [70.36.143.82]) by smtp-out-2.01.com (Postfix) with ESMTPSA id F172560454 for ; Thu, 14 Aug 2014 13:18:32 -0500 (CDT) Message-ID: <53ECFD75.3060408@agliodbs.com> Date: Thu, 14 Aug 2014 11:18:29 -0700 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Re: 60 core performance with 9.3 References: <53ACB190.2030206@catalyst.net.nz> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -0.5 (/) 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 Mark, Is the 60-core machine using some of the Intel chips which have 20 hyperthreaded virtual cores? If so, I've been seeing some performance issues on these processors. I'm currently doing a side-by-side hyperthreading on/off test. -- 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