Rick, I will do that and I am on Nova Legacy networking. Adrian is the guy that was trying to help with the "ethtool" adjustments and probably he is on Neutron. As soon as I have on two VMs the netperf and can run a test I will be back with the results. Thanks for your time! Best regards, George > On 12/16/2014 11:28 AM, Adrián Norte Fernández wrote: >> I use Neutron so.. > > I thought you said you were using Nova legacy networking: > >> In my OpenStack installation (Icehouse and use nova legacy >> networking) > > In any event what I am suggesting is you install either netperf or > iperf into both of the VMs and run a "pure" networking benchmark > between them. That way you do not have to worry about anything like > the 4GB file transfer filling the destination VM's file cache and > then > getting stuck behind slow flushing out to storage, or any concerns > with the encryption overhead in scp etc. etc. > > If you install netperf into the two VMs, I can talk you through the > process of how to run some of the more "interesting" tests. > > rick > >> >> El 16/12/2014 20:27, "Rick Jones" <rick.jones2 at hp.com >> <mailto:rick.jones2 at hp.com>> escribió: >> >> On 12/16/2014 11:09 AM, Georgios Dimitrakakis wrote: >> >> Changing >> >> gso on >> tso on >> gro off >> >> >> got me back to the initial status. >> >> >> Although now it starts with approximately 65-70MB/s for a >> few >> seconds >> but then it drops down to 30MB/s >> >> >> What do you see if you use a "pure" networking benchmark such as >> netperf or iperf? >> >> rick jones >> >> _________________________________________________ >> Mailing list: >> >> http://lists.openstack.org/__cgi-bin/mailman/listinfo/__openstack >> <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> >> Post to : openstack at lists.openstack.org >> <mailto:openstack at lists.openstack.org> >> Unsubscribe : >> >> http://lists.openstack.org/__cgi-bin/mailman/listinfo/__openstack >> <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> >> > > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack