Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423759AbWJaSRU (ORCPT ); Tue, 31 Oct 2006 13:17:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423761AbWJaSRU (ORCPT ); Tue, 31 Oct 2006 13:17:20 -0500 Received: from e4.ny.us.ibm.com ([32.97.182.144]:57778 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1423759AbWJaSRT (ORCPT ); Tue, 31 Oct 2006 13:17:19 -0500 Subject: Re: [ckrm-tech] RFC: Memory Controller From: Badari Pulavarty To: Paul Menage Cc: balbir@in.ibm.com, dev@openvz.org, vatsa@in.ibm.com, sekharan@us.ibm.com, ckrm-tech@lists.sourceforge.net, haveblue@us.ibm.com, lkml , pj@sgi.com, matthltc@us.ibm.com, dipankar@in.ibm.com, rohitseth@google.com In-Reply-To: <6599ad830610310922p61913cdaqb441a2cb718420a9@mail.gmail.com> References: <20061030103356.GA16833@in.ibm.com> <4545D51A.1060808@in.ibm.com> <6599ad830610300304l58e235f7td54ef8744e462a55@mail.gmail.com> <4545FDCD.3080107@in.ibm.com> <6599ad830610301014l1bf78ce8q998229483d055a90@mail.gmail.com> <454782D2.3040208@in.ibm.com> <6599ad830610310922p61913cdaqb441a2cb718420a9@mail.gmail.com> Content-Type: text/plain Date: Tue, 31 Oct 2006 10:16:26 -0800 Message-Id: <1162318586.11421.12.camel@dyn9047017100.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 821 Lines: 28 On Tue, 2006-10-31 at 09:22 -0800, Paul Menage wrote: > > > > Hmm... interesting. Why do you think its impossible, what are the kinds of > > issues you've run into? > > > > Issues such as: > > - determining from userspace how much of the page cache is really > "free" memory that can be given out to new jobs without impacting the > performance of existing jobs > > - determining which job on the system is flooding the page cache with > dirty buffers > Interesting .. these are exactly questions our database people have been us asking for few years :) Thanks, Badari - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/