>>On same VMs, using Using ntttcp i get 157MB/s! So seems there is something >>wrong with ipperf.
Maybe the windows size is different, or nttcp make more parallelism (-P in ipperf). I think parallelism speed up receive offload (rss), on multi core guest. I'll do test with win2008R2 today ----- Mail original ----- De: "Dietmar Maurer" <[email protected]> À: "Lindsay Mathieson" <[email protected]>, [email protected] Envoyé: Dimanche 30 Mars 2014 09:06:01 Objet: Re: [pve-devel] win8r2 virtio net problems > > now, vm->host, jump from 500mbits to 1,5gbits ! (always cpu limited) > > > > now sure that lso is supported by all windows versions, I need to > > check that. (and stability too) > > > Not working for me unfortunately. Two 2008R2 servers with offload Tx LSO > set to Maximal, only getting 41 Mbps > > This when both VM's are on the same bridge and node, 1GB ethernet. On same VMs, using Using ntttcp i get 157MB/s! So seems there is something wrong with ipperf. _______________________________________________ pve-devel mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel _______________________________________________ pve-devel mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
