From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Very high memory usage with KVM Date: Sun, 26 Jul 2009 18:11:27 +0300 Message-ID: <4A6C721F.8030702@redhat.com> References: <20090725174340.GA21733@defiant.freesoftware.org> <4A6C3EAD.9040303@redhat.com> <20090726145603.GD31411@defiant.freesoftware.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: dbareiro@gmx.net, KVM General Return-path: Received: from mx2.redhat.com ([66.187.237.31]:45834 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753564AbZGZPHF (ORCPT ); Sun, 26 Jul 2009 11:07:05 -0400 In-Reply-To: <20090726145603.GD31411@defiant.freesoftware.org> Sender: kvm-owner@vger.kernel.org List-ID: On 07/26/2009 05:56 PM, Daniel Bareiro wrote: > >> What is the storage configuration? Are you using qcow2? >> > > I'm not using qcow2 files. The /dev/cciss/c0d0p3 partition is a physical > volume that maintains the logical volumes that are used for VM's disks: > > In this case there should be no excessive memory usage. qcow2 could use extra memory, especially on older qemu-kvm versions (or images created with older qemu-img versions). >> What is the host kernel (uname -a)? >> > > root@ss02:~# uname -a > Linux ss02 2.6.24-19-server #1 SMP Wed Aug 20 18:43:06 UTC 2008 x86_64 GNU/Linux > > kvm memory management with pre 2.6.27 host kernels is pretty weak. Using a newer host kernel (and newer kvm) may solve this problem. -- error compiling committee.c: too many arguments to function