Hello , Cool ! Todays I am testing to but not such way just only KVM. Wonder 2/3 things ; 1) Are you using virtio? <model type='virtio¹/> 2) is your vm saturating %100 of cpu inside guest ? 3) Using OVS or bridge ? Regards Vahric Muhtaryan On 17/12/15 17:41, "Satish Patel" <satish.txt at gmail.com> wrote: >I am doing some testing on Openstack VM network performance. following >i am doing > >Comute node: 8 CPU / 32GB mem >VM instance: 8vCPU / 8GB mem > >when i am running heavy load application, immediate my ping started >breaking for VM.. but at same time if i ping Compute Host, its working >fine without any packet loss. > >I have disabled GSO/TSO setting on eth0 but still same result. i have >notice when it reach 250mbps my ping start breaking... > >_______________________________________________ >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