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 <zhipengh...@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 <academicgar...@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@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@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: zhipe...@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+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- Gareth *Cloud Computing, OpenStack, Distributed Storage, Fitness, Basketball* *OpenStack contributor, kun_huang@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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