Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UAq67-0006iZ-Un for pgsql-performance@arkaria.postgresql.org; Wed, 27 Feb 2013 23:07:40 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1UAq67-0004kx-B9 for pgsql-performance@arkaria.postgresql.org; Wed, 27 Feb 2013 23:07:39 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UAq65-0004jL-AU for pgsql-performance@postgresql.org; Wed, 27 Feb 2013 23:07:37 +0000 Received: from outmail148142.authsmtp.co.uk ([62.13.148.142]) by magus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UAq61-0004i7-AE for pgsql-performance@postgresql.org; Wed, 27 Feb 2013 23:07:36 +0000 Received: from mail-c232.authsmtp.com (mail-c232.authsmtp.com [62.13.128.232]) by punt7.authsmtp.com (8.14.2/8.14.2/Kp) with ESMTP id r1RN7UVt047632; Wed, 27 Feb 2013 23:07:30 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 r1RN7RFk075161; Wed, 27 Feb 2013 23:07:28 GMT Message-ID: <512E91AF.1090702@agliodbs.com> Date: Wed, 27 Feb 2013 15:07:27 -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: Scott Marlowe CC: pgsql-performance@postgresql.org Subject: Re: Server stalls, all CPU 100% system time References: <512A1EC3.4020806@darix.de> <512D4548.2000502@agliodbs.com> In-Reply-To: X-Enigmail-Version: 1.5 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Server-Quench: 759189dc-8132-11e2-b10b-0025903375e2 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCdyZgscClZXSx8a IioLCC5HRQ8+YBZL BAkGMA9GIUINWEQL c1AAcR19PVdbHwkA AHYJWF5UV1dzUC1y axRSaxtcZklQXgV1 UktWQhwQFWcWBn53 XR4ZVxh0dktHcX5y K0FnV3FTVRApaE58 QUxJFGxTZ3oyaWBN TUBYdQZdcABJeRoQ aB4dAXkdCgVyBAwf JSoGdws8JytSMmxO XggJKUlWCU8PGnYX fy1KRG13UAUeVj4v IhluNl8ZES4I 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. 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 > Someone commented they think it might be related to this kernel bug: > > https://lkml.org/lkml/2012/10/9/210 > We have some evidence that that is the case. -- 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