From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: Re: Live memory allocation? Date: Thu, 26 Mar 2009 15:11:02 +0100 Message-ID: <49CB8CF6.70403@wpkg.org> References: <49CB86BE.40505@poboxes.info> <49CB8AC3.5090303@wpkg.org> <49CB8B59.20601@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Evert , kvm@vger.kernel.org To: Izik Eidus Return-path: Received: from mx03.syneticon.net ([78.111.66.105]:50718 "EHLO mx03.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752792AbZCZOLJ (ORCPT ); Thu, 26 Mar 2009 10:11:09 -0400 In-Reply-To: <49CB8B59.20601@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Izik Eidus schrieb: > Tomasz Chmielewski wrote: >> Evert schrieb: >>> Hi all, >>> >>> According to the Wikipedia ( >>> http://en.wikipedia.org/wiki/Comparison_of_platform_virtual_machines >>> ) both VirtualBox & VMware server support something called 'Live >>> memory allocation'. >>> Does KVM support this as well? >> >> What does this term mean exactly? Is it the same as "ballooning" used >> by KVM? >> >> > I guess it referring to memory allocation on first time access to the > memory areas, Meaning the memory allocation will be made only when it > really going to be used. Like, two guests, each with 2 GB memory allocated only use 1 GB of host's memory (as long as they don't have many programs/buffers/cache)? So yes, it's also supported by KVM. -- Tomasz Chmielewski http://wpkg.org