Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1YCF3l-00066u-G6 for pgsql-admin@arkaria.postgresql.org; Fri, 16 Jan 2015 22:08:05 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1YCF3k-0004nX-CN for pgsql-admin@arkaria.postgresql.org; Fri, 16 Jan 2015 22:08:04 +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 1YCF3j-0004nQ-BU for pgsql-admin@postgresql.org; Fri, 16 Jan 2015 22:08:03 +0000 Received: from p01c12o149.mxlogic.net ([208.65.145.72]) by magus.postgresql.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1YCF3a-0006yS-QU for pgsql-admin@postgresql.org; Fri, 16 Jan 2015 22:08:01 +0000 Received: from unknown [192.207.234.194] (EHLO ExHubCas1.TIGR.ORG) by p01c12o149.mxlogic.net(mxl_mta-8.2.0-3) over TLS secured channel with ESMTP id 5bb89b45.0.46185.00-332.129657.p01c12o149.mxlogic.net (envelope-from ); Fri, 16 Jan 2015 15:07:54 -0700 (MST) X-MXL-Hash: 54b98bba2c5832cd-7f80d0714cb2344f46e62a4298d3266312d07c9f Received: from [172.17.133.146] (172.17.133.146) by ExHubCas1.TIGR.ORG (172.17.5.94) with Microsoft SMTP Server id 8.3.389.2; Fri, 16 Jan 2015 17:07:49 -0500 Message-ID: <54B98BB5.4050902@jcvi.org> Date: Fri, 16 Jan 2015 17:07:49 -0500 From: Michael Heaney User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: "pgsql-admin@postgresql.org" Subject: Huge pages not working on PG 9.4 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-AnalysisOut: [v=2.1 cv=D45TK5hj c=1 sm=1 tr=0 a=w1dbv1SI/ukx7BArlIOzxg==] X-AnalysisOut: [:117 a=w1dbv1SI/ukx7BArlIOzxg==:17 a=qiJVM4anSgoA:10 a=BLc] X-AnalysisOut: [eEmwcHowA:10 a=IkcTkHD0fZMA:10 a=QWZKEEUnAAAA:8 a=HpMKyOHa] X-AnalysisOut: [AAAA:8 a=YlVTAMxIAAAA:8 a=YNv0rlydsVwA:10 a=U93zvEWALE_VxL] X-AnalysisOut: [uMLkgA:9 a=QEXdDO2ut3YA:10] X-Spam: [F=0.5000000000; CM=0.500; MH=0.500(2015011615); S=0.200(2014051901)] X-MAIL-FROM: X-SOURCE-IP: [192.207.234.194] X-Pg-Spam-Score: -4.2 (----) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-admin Precedence: bulk Sender: pgsql-admin-owner@postgresql.org I've compiled and installed PG 9.4.0 on my Linux VM, but attempts to enable huge pages (huge_pages=on in postgresql.conf) have resulted in this error message in the log: FATAL: huge pages not supported on this platform I'm running CentOS 6.4. Here's the uname output: Linux 2.6.32-358.2.1.el6.x86_64 #1 SMP Wed Mar 13 00:26:49 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux I've set a reasonable nr_hugepages value in /etc/sysctl.conf. Is there some kernel mod or environment variable that I also need? Michael Heaney JCVI -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin