We have our own custom application running on guest VM. i am just checking performance of VM. but i found if load go little up machine start breaking ping.
I didn't run iperf test yet. which i am going to run in a min. On Thu, Dec 17, 2015 at 11:28 AM, Vahric Muhtaryan <vah...@doruk.net.tr> wrote: > Okay Satish , > > Im not expert and do not want to divert you wrong direction. > I want to make your test on my server to cross check , can you pls explain > how and with what tool and to where you are making this test. > > Regards > VM > > On 17/12/15 18:11, "Satish Patel" <satish....@gmail.com> wrote: > >>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
