Open Stack

Ahhh, that's bad. Do you think there is a need for pushing OSv integration
in OpenStack in Kilo cycle? Would you come to Paris Summit?

On Thu, Oct 16, 2014 at 1:24 PM, Gareth <academicgareth at gmail.com> wrote:

> yes :)
>
> I planed that if that topic were picked, I could apply that as a formal
> project in Intel. But failed...
>
> On Thu, Oct 16, 2014 at 12:53 PM, Zhipeng Huang <zhipengh512 at gmail.com>
> wrote:
>
>> Hi, I'm also interested in it. You submitted a talk about it to Paris
>> Summit right?
>>
>> On Thu, Oct 16, 2014 at 10:34 AM, Gareth <academicgareth at gmail.com>
>> wrote:
>>
>>>
>>> Here is introducing OSv to all OpenStack developers. OSv team is
>>> focusing on performance of KVM based guest OS, or cloud application. I'm
>>> interested in it because of their hard work on optimizing all details. And
>>> I had also worked on deploying OSv on OpenStack environment. However, since
>>> my work is only for private interests in off working time, my progress is
>>> pretty slow. So I have to share my experience and hope other engineers
>>> could join it:
>>>
>>> # OSv highlights in my mind
>>>
>>> 1, Super fast booting time means nearly zero down time services, an
>>> alternative way to dynamic flavor changing and time improvement for
>>> deploying instances in KVM based PaaS platform. 2, Great work on
>>> performance. Cloud engineers could borrow experience from their work on
>>> guest OS. 3, Better performance on JVM. We could imagine there are many
>>> overhead and redundancy in host OS/guest OS/JVM. Fixing that could help
>>> Java applications perform closer to bare-metal.
>>>
>>> # Enabling OSv on OpenStack
>>>
>>> Actually there should not be any big problems. The steps are that
>>> building OSv qcow2 image first and boot it via Nova then. You may face some
>>> problems because OSv image need many new Qemu features, such as
>>> virtio-rng-io/vhost and enable-kvm flag is necessary.
>>>
>>> Fortunately, I don't meet any problems with network, Neutron (actually I
>>> thought before network in OpenStack maybe hang me for a long time). OSv
>>> need a tap device and Neutron does good job on it. And then I could access
>>> OSv service very well.
>>>
>>> # OSv based demo
>>>
>>> The work I finished is only a memcached cluster. And the result is
>>> obvious: memory throughout of OSv based instance has 3 times than it in
>>> traditional virtual machines, and 90% of performance on host OS[0][1].
>>> Since their work on memcached is quite mature, consider OSv if you need
>>> build memcached instance.
>>>
>>> Another valuable demo cluster is Hadoop. When talking about Hadoop on
>>> OpenStack, the topic asked most frequently is the performance on virtual
>>> machines. A known experience is higher version Qemu would help fix disk I/O
>>> performance[2]. But how  does the overlap in JVM/guest OS? I would love to
>>> find that, but don't have so much time.
>>>
>>> After of all, the purpose of this thread is to bring an interesting
>>> topic on cloud performance and hope more and more efficient clusters based
>>> on OpenStack (in production use). I don't have so much time on OSv because
>>> this just is my personal interest, but I could prove OSv is a valuable way
>>> and topic.
>>>
>>> [0] http://paste.openstack.org/show/121382/
>>> [1]
>>> https://github.com/cloudius-systems/osv/wiki/OSv-Case-Study:-Memcached
>>> [2]
>>> https://www.openstack.org/summit/openstack-summit-atlanta-2014/session-videos/presentation/performance-of-hadoop-on-openstack
>>>
>>> --
>>> Gareth
>>>
>>> *Cloud Computing, OpenStack, Distributed Storage, Fitness, Basketball*
>>> *OpenStack contributor, kun_huang at freenode*
>>> *My promise: if you find any spelling or grammar mistakes in my email
>>> from Mar 1 2013, notify me *
>>> *and I'll donate $1 or ￥1 to an open organization you specify.*
>>>
>>> _______________________________________________
>>> OpenStack-dev mailing list
>>> OpenStack-dev at lists.openstack.org
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>
>>>
>>
>>
>> --
>> Zhipeng Huang
>> Research Assistant
>> Mobile Ad-Hoc Network Lab, Calit2
>> University of California, Irvine
>> Email: zhipengh at uci.edu
>> Office: Calit2 Building Room 2402
>> OpenStack, OpenDaylight, OpenCompute affcienado
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "OSv Development" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to osv-dev+unsubscribe at googlegroups.com.
>> For more options, visit https://groups.google.com/d/optout.
>>
>
>
>
> --
> Gareth
>
> *Cloud Computing, OpenStack, Distributed Storage, Fitness, Basketball*
> *OpenStack contributor, kun_huang at freenode*
> *My promise: if you find any spelling or grammar mistakes in my email from
> Mar 1 2013, notify me *
> *and I'll donate $1 or ￥1 to an open organization you specify.*
>



-- 
Zhipeng Huang
Research Assistant
Mobile Ad-Hoc Network Lab, Calit2
University of California, Irvine
Email: zhipengh at uci.edu
Office: Calit2 Building Room 2402
OpenStack, OpenDaylight, OpenCompute affcienado
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20141016/024c2491/attachment.html>