Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1YGuZ4-00040h-3s for pgsql-admin@arkaria.postgresql.org; Thu, 29 Jan 2015 19:15:42 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1YGuZ3-0007bE-4L for pgsql-admin@arkaria.postgresql.org; Thu, 29 Jan 2015 19:15:41 +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 1YGuZ2-0007b8-BK for pgsql-admin@postgresql.org; Thu, 29 Jan 2015 19:15:40 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1YGuYz-0001lN-JV for pgsql-admin@postgresql.org; Thu, 29 Jan 2015 19:15:38 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id t0TJFZ7p024918; Thu, 29 Jan 2015 14:15:35 -0500 From: Tom Lane To: John Scalia cc: "pgsql-admin@postgresql.org" Subject: Re: hugepage configuration for V.9.4.0 In-reply-to: <54CA7DCC.5050209@gmail.com> References: <54CA73CE.1050503@gmail.com> <11110.1422555496@sss.pgh.pa.us> <54CA7DCC.5050209@gmail.com> Comments: In-reply-to John Scalia message dated "Thu, 29 Jan 2015 13:37:00 -0500" Date: Thu, 29 Jan 2015 14:15:35 -0500 Message-ID: <24917.1422558935@sss.pgh.pa.us> X-Pg-Spam-Score: -1.9 (-) 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 John Scalia writes: > On 1/29/2015 1:18 PM, Tom Lane wrote: >> Also, there may well be request limits that apply specifically to hugepage >> segments; I don't know too much about that. > Thanks to all that responded. I really kind of figured that a 4Gb server was too small, but I'm limited to that by our virtual server configuration system. I'll look into how this > kernel is configured, Tom, but is there something specific that you know > of for me to examine? The manual section that somebody else pointed you to mentions a vm.nr_hugepages setting ... regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin