+1 John. That documentation would be very welcome. On Tue, Mar 24, 2015 at 9:50 PM, John Barfield <[email protected]> wrote:
> Actually the numbers I sent for the SmartOS VM to VM test were on a switch > with Jumbo frames (switch = 9216 mtu...SmartOS GZ MTU = 9000) (Extreme > Networks Summit X440-48t release 15.2.3 patch12) Theyre also sitting in > Q-in-Q tagged VLANs. Admin tagged nic sits in Vman (provider bridge) 10 the > VMs were tagged in VLAN 1674. (not bad :) really) > > As far as everyone who is wondering how I got 952 Mbps on OmnisOS KVM > while running in a zone I plan to write up a how-to that can be posted to > the core site if you'd like. There are several caveats that are not > documented today for running KVM in a zone. Not that I didnt reverse > engineer some of Joyents work of course. > > > > Thanks and have a great day, > > John Barfield > > > On Mar 24, 2015, at 7:40 PM, Phil Harman <[email protected]> wrote: > > > > John, > > > > Interesting work and data. Thanks for sharing. > > > > I've also been playing with Oracle Solaris 11.2 vs Linux vs FreeBSD on > SmartOS vs ESX5.5 (free edition) both VM2VM and VM to remote host over a > couple of Intel 10GBASE-T cards. > > > > As far as I can tell, there remains no virtio-net driver for Solaris / > Illumos guests, so I've been using e1000g, which really sucks. > > > > I found virtio-net works ok under KVM, but was blown away by vmxnet3 > under ESX performance (for which a Solaris / Illumos drivers do exist), > being able to get close to 8gbps from the guest over the wire! > > > > To achieve this I had to use jumbo frames (something the current Solaris > 11.2 e1000g appears unable to do at all any more). > > > > So I was wondering, while you are there, whether you've got (or can get) > any data for KVM virtio-net VM2VM using jumbo frames? > > > > My expectation would be at least 2x for MTU 9000 vs 1500. > > > > I also wonder whether like for like comparison with ESX might encourage > further improvements? > > > > As someone used to say at Sun "If Linux is faster, it's a Solaris bug!". > It would be great if the community could agree to the same for ESX vs KVM :) > > > > Cheers, > > Phil > > > > > >> On 24 Mar 2015, at 23:45, John Barfield <[email protected]> > wrote: > >> > >> Btw I did go ahead and test both virtio methods...I gave a vm the > -device argument on one interface and the -net argument for another the > results where.... > >> > >> -device = eth0 = 952mbps > >> -net = eth1 = 199 mbps > >> > >> Thanks and have a great day, > >> > >> John Barfield > >> > >>> On Mar 24, 2015, at 6:12 PM, Dan McDonald <[email protected]> wrote: > >>> > >>> > >>>> On Mar 24, 2015, at 7:04 PM, Dominik Hassler <[email protected]> wrote: > >>>> > >>>> Dan, > >>>> > >>>>>> After further testing I achieved 952 MBytes on a VM-2-VM > >>>>>> connection...1 > >>>>>> linux Ubuntu 12.04 vm to another CentOS 6.6 VM running on two > >>>>>> different SmartOS host machines (through an extreme networks > switch). > >>>> > >>>> if I got John correctly, he was running his second test on SmartOS > hosts... > >>>> > >>>> We did a lot of testing on OmniOS with -net vnic and -device > >>>> virtio-net-pci but sadly to no avail... > >>>> > >>>> I think we have to hope that SmartOS kvm improvements will get > >>>> upstreamed sooner or later. > >>> > >>> Ahh yes. > >>> > >>> I was hoping to have them ready for 014, but it's a complicated > process to upstream larger projects, and Joyent was in the middle of > getting their new Triton release out the door. > >>> > >>> Dan > >> _______________________________________________ > >> OmniOS-discuss mailing list > >> [email protected] > >> http://lists.omniti.com/mailman/listinfo/omnios-discuss > _______________________________________________ > OmniOS-discuss mailing list > [email protected] > http://lists.omniti.com/mailman/listinfo/omnios-discuss > -- Theo Schlossnagle http://omniti.com/is/theo-schlossnagle
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