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