From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: Date: Wed, 23 Apr 2008 19:11:49 -0500 From: "Eric Van Hensbergen" To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net> In-Reply-To: <503bf70b372f844ba49c3f43984eeade@quanstro.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <13426df10804231556n79d46ad6ke31f3be0ec63485c@mail.gmail.com> <503bf70b372f844ba49c3f43984eeade@quanstro.net> Subject: Re: [9fans] new lguest port available Topicbox-Message-UUID: 9928d28a-ead3-11e9-9d60-3106f5b1d025 On Wed, Apr 23, 2008 at 6:22 PM, erik quanstrom wrote: > > Disk IO is not great, net IO seems pretty good. I don't have a stable > > timebase on lguest, evidently, or I would run netpipe to test. > > just put it up on a tee: why not use aoe? > The problems of disk I/O are largely a focus issue -- all this stuff is pretty new and they focused on the network mechanisms first because those were the ones where the competition has published the most compelling benchmarks. The disk stuff will get tuned out and will likely outperform network for I/O. As an example, 9P directly over virtio beats NFS/TCP/virtio-net by 70% without cacheing or optimization in 9P (which is usually the opposite case on unvirtualized hardware due to cacheing and what not). -eric