From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:36268) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UCyyN-0002oH-NN for qemu-devel@nongnu.org; Tue, 05 Mar 2013 16:00:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UCyyG-0001LC-3K for qemu-devel@nongnu.org; Tue, 05 Mar 2013 16:00:31 -0500 Received: from nodalink.pck.nerim.net ([62.212.105.220]:54954 helo=paradis.irqsave.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UCyjz-0005RA-Op for qemu-devel@nongnu.org; Tue, 05 Mar 2013 15:45:39 -0500 Date: Tue, 5 Mar 2013 21:46:30 +0100 From: =?iso-8859-1?Q?Beno=EEt?= Canet Message-ID: <20130305204629.GA3669@irqsave.net> References: <20130305141845.GA3411@irqsave.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] Dataplane and vhost-blk List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: =?iso-8859-1?Q?Beno=EEt?= Canet , qemu-devel > You need to set a more specific goal. Some questions to get started: > * Which workloads do you care about and what are their > characteristics (sequential or random I/O, queue depth)? > * Do you care about 1 vcpu guests or 4+ vcpu guests? (SMP scalability= ) > * Are you using an image format? The usage would be a typical HPC workload: 4 vcpu in SMP and random IO on= raw devices. Beno=EEt