From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Davies Subject: Re: Windows slow boot: contractor wanted Date: Sun, 19 Aug 2012 09:51:35 +0100 Message-ID: <20120819085135.GE20363@alpha.arachsys.com> References: <20120816104727.GA17166@alpha.arachsys.com> <502CDC0D.9080004@redhat.com> <20120817123642.GA16736@alpha.arachsys.com> <5030A665.4020608@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from alpha.arachsys.com ([91.203.57.7]:35563 "EHLO alpha.arachsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752506Ab2HSIvk (ORCPT ); Sun, 19 Aug 2012 04:51:40 -0400 Content-Disposition: inline In-Reply-To: <5030A665.4020608@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > Richard Davies wrote: > > The host in question has 128GB RAM and dual AMD Opteron 6128 (16 cores > > total). It is running kernel 3.5.1 and qemu-kvm 1.1.1. > > > > In this morning's test, we have 3 guests, all booting Windows with 40GB RAM > > and 8 cores each (we have seen small VMs go slow as I originally said, but > > it is easier to trigger with big VMs): > > 40+40+40=120, pretty close to your server specs. Are you swapping? No - you can see on the "top" screenshot that there's no swap in use. Richard. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49039) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T31ES-0003gy-Ox for qemu-devel@nongnu.org; Sun, 19 Aug 2012 04:51:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T31ER-0008Nw-S8 for qemu-devel@nongnu.org; Sun, 19 Aug 2012 04:51:40 -0400 Received: from alpha.arachsys.com ([91.203.57.7]:47758) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T31ER-0008Ns-MX for qemu-devel@nongnu.org; Sun, 19 Aug 2012 04:51:39 -0400 Date: Sun, 19 Aug 2012 09:51:35 +0100 From: Richard Davies Message-ID: <20120819085135.GE20363@alpha.arachsys.com> References: <20120816104727.GA17166@alpha.arachsys.com> <502CDC0D.9080004@redhat.com> <20120817123642.GA16736@alpha.arachsys.com> <5030A665.4020608@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5030A665.4020608@redhat.com> Subject: Re: [Qemu-devel] Windows slow boot: contractor wanted List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org Avi Kivity wrote: > Richard Davies wrote: > > The host in question has 128GB RAM and dual AMD Opteron 6128 (16 cores > > total). It is running kernel 3.5.1 and qemu-kvm 1.1.1. > > > > In this morning's test, we have 3 guests, all booting Windows with 40GB RAM > > and 8 cores each (we have seen small VMs go slow as I originally said, but > > it is easier to trigger with big VMs): > > 40+40+40=120, pretty close to your server specs. Are you swapping? No - you can see on the "top" screenshot that there's no swap in use. Richard.