From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: RAM utilization issues Date: Thu, 12 Jan 2012 12:51:27 +0200 Message-ID: <4F0EBB2F.3050206@redhat.com> References: <4F0EB7AC.1050201@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm To: Jonathan Petersson Return-path: Received: from mx1.redhat.com ([209.132.183.28]:61298 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752055Ab2ALKva (ORCPT ); Thu, 12 Jan 2012 05:51:30 -0500 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 01/12/2012 12:47 PM, Jonathan Petersson wrote: > > What's the aggregate size of the guests (sum of all guest memory > > sizes)? How many guests? Are you in fact using the balloon? How? > > > > -- > > error compiling committee.c: too many arguments to function > > > > This is a sample from one of the servers: > > Aggregate size is 28672 MB wheras 20133 is utilized on the host. > Looking at each induvidual VM the actual utilization is rarely above > 20% i.e. ~ 6GB. > On this particular host there's a total of 23 VMs. > Each VM is started with -balloon virtio, the host and the guests has > the virtio_balloon drivers loaded. Loading the balloon drivers does nothing. The management agent must actively inflate or deflate he balloon. -- error compiling committee.c: too many arguments to function