From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx107.postini.com [74.125.245.107]) by kanga.kvack.org (Postfix) with SMTP id 483166B0007 for ; Mon, 28 Jan 2013 21:26:23 -0500 (EST) Received: by mail-lb0-f198.google.com with SMTP id gf14so102746lbb.9 for ; Mon, 28 Jan 2013 18:26:18 -0800 (PST) Message-ID: <51073345.4070605@ravellosystems.com> Date: Tue, 29 Jan 2013 04:26:13 +0200 From: Izik Eidus MIME-Version: 1.0 Subject: Re: [PATCH 0/11] ksm: NUMA trees and page migration References: <20130128155452.16882a6e.akpm@linux-foundation.org> <51071CA0.801@ravellosystems.com> In-Reply-To: <51071CA0.801@ravellosystems.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Hugh Dickins , Petr Holasek , Andrea Arcangeli , Rik van Riel , David Rientjes , Anton Arapov , Mel Gorman , linux-kernel@vger.kernel.org, linux-mm@kvack.org On 01/29/2013 02:49 AM, Izik Eidus wrote: > On 01/29/2013 01:54 AM, Andrew Morton wrote: >> On Fri, 25 Jan 2013 17:53:10 -0800 (PST) >> Hugh Dickins wrote: >> >>> Here's a KSM series >> Sanity check: do you have a feeling for how useful KSM is? >> Performance/space improvements for typical (or atypical) workloads? >> Are people using it? Successfully? BTW, After thinking a bit about the word people, I wanted to see if normal users of linux that just download and install Linux (without using special virtualization product) are able to use it. So I google little bit for it, and found some nice results from users: http://serverascode.com/2012/11/11/ksm-kvm.html But I do agree that it provide justifying value only for virtualization users... > > Hi, > I think it mostly used for virtualization, I know at least two > products that it use - > RHEV - RedHat enterprise virtualization, and my current place (Ravello > Systems) that use it to do vm consolidation on top of cloud enviorments > (Run multiple unmodified VMs on top of one vm you get from ec2 / > rackspace / what so ever), for Ravello it is highly critical in > achieving high rate > of consolidation ratio... > >> >> IOW, is it justifying itself? > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org