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.jon...@hp.com
<mailto:rick.jon...@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

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