Open Stack

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.*
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