Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1U63hP-00069S-A1 for pgsql-performance@arkaria.postgresql.org; Thu, 14 Feb 2013 18:38:23 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1U63hO-0003wC-Fo for pgsql-performance@arkaria.postgresql.org; Thu, 14 Feb 2013 18:38:22 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1U63hN-0003w7-PO for pgsql-performance@postgresql.org; Thu, 14 Feb 2013 18:38:21 +0000 Received: from outmail149096.authsmtp.net ([62.13.149.96]) by magus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1U63hH-0006oX-Ms for pgsql-performance@postgresql.org; Thu, 14 Feb 2013 18:38:21 +0000 Received: from mail-c232.authsmtp.com (mail-c232.authsmtp.com [62.13.128.232]) by punt8.authsmtp.com (8.14.2/8.14.2/Kp) with ESMTP id r1EIcFmu053721 for ; Thu, 14 Feb 2013 18:38:15 GMT Received: from [172.47.23.103] (70-36-143-10.dsl.dynamic.sonic.net [70.36.143.10]) (authenticated bits=0) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id r1EIcBER043063 for ; Thu, 14 Feb 2013 18:38:12 GMT Message-ID: <511D2F11.6040706@agliodbs.com> Date: Thu, 14 Feb 2013 10:38:09 -0800 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Re: High CPU usage / load average after upgrading to Ubuntu 12.04 References: <60B572D9298D944580F7D51195DD30804357FA4ABF@VMBX125.ihostexchange.net> , <60B572D9298D944580F7D51195DD30804357FA4B60@VMBX125.ihostexchange.net> <60B572D9298D944580F7D51195DD30804357FA4C11@VMBX125.ihostexchange.net> <511BE879.8080706@agliodbs.com> <511C2F10.3080409@agliodbs.com> <60B572D9298D944580F7D51195DD30804357FA4DE2@VMBX125.ihostexchange.net> In-Reply-To: <60B572D9298D944580F7D51195DD30804357FA4DE2@VMBX125.ihostexchange.net> X-Enigmail-Version: 1.5 Content-Type: text/plain; charset=UTF-8 X-Server-Quench: b04ee259-76d5-11e2-b10b-0025903375e2 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCdyZgscClZXSx8a IioLCC5HRQ8+YBZL BAkbIhBDJB8RWB5f NVxfJ1xYPXUEQkpF VCReGBUITgIzDi10 bxUnOFdCYEpPXBVr WEJKSlhTF0tvAQIC AAAfVhpsdgVZen1v ZQggXwUiDzYPF0Z5 QU5SFiMHbWdmJjIf VBUNdQZdbQRMKhpY a1EqVm5fYGVVe3pg RVJiZ2tqYmhScjJv T1NFHmo/e2gsJBsJ DzADEjVnNnU4Dzgo JhMrYhlUGEEYPg07 L1Y7UF0VexYcFgBE V1xVDzVQK1gHSGI3 CktnV1MYDCA/CX4G REV0SgAA X-Authentic-SMTP: 61633136333939.1019:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 70.36.143.10/23 X-AuthVirus-Status: No virus detected - but ensure you scan with your own anti-virus system. Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by punt8.authsmtp.com id r1EIcFmu053721 X-Pg-Spam-Score: -2.6 (--) 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 02/13/2013 05:30 PM, Dan Kogan wrote: > Just to be clear - I was describing the current situation in our producti= on. >=20 > We were running pgbench on different Ununtu versions today. I don=E2=80= =99t have 12.04 setup at the moment, but I do have 12.10, which seems to be= performing about the same as 12.04 in our tests with pgbench. > Running pgbench with 8 jobs and 32 clients resulted in load average of ab= out 15 and TPS was 51350. What size database? >=20 > Question - how many cores does your server have? Ours has 8 cores. 32 I suppose I could throw multiple pgbenches at it. I just dont' see the load numbers as unusual, but I don't have a similar pre-12.04 server to compare with. --=20 Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com --=20 Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance