From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Memory under KVM? Date: Sat, 12 Dec 2009 10:09:27 +0200 Message-ID: <4B234FB7.8010804@redhat.com> References: <4B22BCE5.7040208@binaryfreedom.info> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: rek2 Return-path: Received: from mx1.redhat.com ([209.132.183.28]:30462 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750699AbZLLIJZ (ORCPT ); Sat, 12 Dec 2009 03:09:25 -0500 In-Reply-To: <4B22BCE5.7040208@binaryfreedom.info> Sender: kvm-owner@vger.kernel.org List-ID: On 12/11/2009 11:43 PM, rek2 wrote: > Hi everyone, I'm new to the list and I have a couple questions that we > are wondering about here at work... > we have notice that the KVM processes on the host take much more > memory than the memory we have told the VM to use.. a ruff example.. > if we tell KVM to use 2 gigs for one VM it will end up showing on the > host process list for that VM like 3 gigs or more... > Why do I ask this? well we need to figure out how much memory to add > to our host server so we can calculate the number of VM's we can run > there etc etc.. Can you give an example? A snapshot from 'top' would do. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.