Open Stack

Maybe this also could be reference

http://42.62.73.30/wordpress/wp-content/uploads/2013/10/Neutron-performance
-testing.pdf


On 17/12/15 18:32, "Satish Patel" <satish.txt at gmail.com> wrote:

>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 <vahric at 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.txt at 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 <vahric at 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.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
>>>>
>>>>
>>
>>