Thanks for reply, Following is my guest xml file.
I am using Openstack JUNO and it use OVS. <interface type='bridge'> <mac address='fa:16:3e:cd:2a:a4'/> <source bridge='qbrdd55b834-f8'/> <target dev='tapdd55b834-f8'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> Following is TOP command on guest machine, at this point i am getting ping breaks top - 16:10:30 up 20:46, 1 user, load average: 4.63, 4.41, 3.60 Tasks: 165 total, 6 running, 159 sleeping, 0 stopped, 0 zombie %Cpu0 : 15.1 us, 12.3 sy, 0.0 ni, 60.9 id, 0.0 wa, 0.0 hi, 0.3 si, 11.4 st %Cpu1 : 22.9 us, 17.2 sy, 0.0 ni, 51.4 id, 0.0 wa, 0.0 hi, 0.3 si, 8.2 st %Cpu2 : 28.8 us, 22.4 sy, 0.0 ni, 47.5 id, 0.0 wa, 0.0 hi, 1.0 si, 0.3 st %Cpu3 : 16.6 us, 15.0 sy, 0.0 ni, 66.4 id, 0.0 wa, 0.0 hi, 0.3 si, 1.7 st %Cpu4 : 9.8 us, 11.8 sy, 0.0 ni, 0.0 id, 75.4 wa, 0.0 hi, 0.3 si, 2.6 st %Cpu5 : 7.6 us, 6.1 sy, 0.0 ni, 81.4 id, 0.0 wa, 0.0 hi, 4.2 si, 0.8 st %Cpu6 : 8.1 us, 7.4 sy, 0.0 ni, 83.0 id, 0.0 wa, 0.0 hi, 1.4 si, 0.0 st %Cpu7 : 17.8 us, 17.8 sy, 0.0 ni, 64.1 id, 0.0 wa, 0.0 hi, 0.3 si, 0.0 st KiB Mem : 8175332 total, 4630124 free, 653284 used, 2891924 buff/cache KiB Swap: 0 total, 0 free, 0 used. 7131540 avail Mem On Thu, Dec 17, 2015 at 11:06 AM, Vahric Muhtaryan <vah...@doruk.net.tr> wrote: > 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....@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@lists.openstack.org >>Unsubscribe : >>http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack