From mboxrd@z Thu Jan 1 00:00:00 1970 From: TooMeeK Subject: Re: virtio-win - 10Gbit network drivers? Date: Fri, 05 Aug 2011 15:21:46 +0200 Message-ID: <4E3BEE6A.90303@o2.pl> References: <258F4EBF32A18F48AEBD81186101F31437F6AA67@lisa.maurer-it.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "kvm@vger.kernel.org" To: Martin Maurer Return-path: Received: from mailout1.go2.pl ([193.17.41.11]:33711 "EHLO mailout1.go2.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751169Ab1HENVx (ORCPT ); Fri, 5 Aug 2011 09:21:53 -0400 Received: from mailout1.go2.pl (unknown [10.0.0.105]) by mailout1.go2.pl (Postfix) with ESMTP id 0A5765F05E9 for ; Fri, 5 Aug 2011 15:21:47 +0200 (CEST) Received: from unknown (unknown [10.0.0.142]) by mailout1.go2.pl (Postfix) with SMTP for ; Fri, 5 Aug 2011 15:21:47 +0200 (CEST) In-Reply-To: <258F4EBF32A18F48AEBD81186101F31437F6AA67@lisa.maurer-it.com> Sender: kvm-owner@vger.kernel.org List-ID: I wish to use improved drives too, for my NICs bonded using round-robin.. now it's limited to 1Gbit for virtio-net. But I think the bridge interface used to expose VMs to the LAN will still be limiting max speed, because CPUs have to process all this traffic over bridge. On 05.08.2011 11:11, Martin Maurer wrote: > Hi, > > I am testing virtio net performance (10 Gbit) and its working great for Linux guests (I am using Debian Squeeze as KVM guest). > I see just a little performance loss in the guest (compared to the host). > > The win2008r2-sp1 installation, using the virtio network drivers from the Fedora projects gives just 1 Gbit performance (~ 500 to 700Mbit). Any change to improve this, do I miss anything? > > My host: > Proxmox VE 1.8 (2.6.32 Kernel, KVM 0.14.1) - if needed I can provide more details. > > Best Regards, > > Martin Maurer > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >