Open Stack

Pusihng it into OpenStack is not a hard job, because for OpenStack
developers OSv image is a normal qcow2 image. What you need do is enabling
some Qemu flags in Nova libvirt driver.

yep, I will be there :)

On Thu, Oct 16, 2014 at 2:10 PM, Zhipeng Huang <zhipengh512 at gmail.com>
wrote:

> 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
>>>
>>> --
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>>
>>
>>
>> --
>> 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
>



-- 
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.*
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