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Latest Xen Project Blog Posts

Xen Project 4.7 and 4.6.3 Release

I’m pleased to announce the release of Xen Project Hypervisor 4.7 and Xen Project Hypervisor 4.6.3. Xen Project Hypervisor 4.7 This new release focuses on improving code quality, security hardening, security features, live migration support, usability improvements and support for new hardware features — this is also the first release of our fixed term June […]

Xen Project Community Hosts Annual Developers Summit in August

We recently announced the program and speakers for our Xen Project Developer Summit happening in Toronto, Canada from August 25-26, 2016. The event will be co-located with LinuxCon North America. The Xen Project hypervisor powers the new needs of computing and virtualization through a rich ecosystem of community members that focus on everything from security, […]

Introducing the Xen Project Code Review Dashboard

The Xen Project’s code contributions have grown more than 10% each year. Although growth is extremely healthy to the project as a whole, it has its growing pains. For the Xen Project, it led to issues with its code review process: maintainers believed that their review workload increased and a number of vendors claimed that […]

Latest Planet Blog Posts

RDO Triple0 QuickStart HA Setup on Intel Core i7-4790 Desktop (work in progress)

This post follows up https://www.linux.com/blog/rdo-triple0-quickstart-ha-setup-intel-core-i7-4790-desktop In meantime undercloud-install,undercloud-post-install (openstack undercloud install, openstack overcloud image upload ) are supposed to be performed during original run  `bash quickstart.sh –config /path-to/ha.yml $VIRTHOST` run. Neutron networks deployment on undercloud and HA Server’s configuration has been significantly rebuilt since 06/03/2016. I believe design bellow is close to proposed in https://remote-lab.net/rdo-manager-ha-openstack-deployment However […]

XenServer 7.0 performance improvements part 2: Parallelised networking datapath

The XenServer team has made a number of significant performance and scalability improvements in the XenServer 7.0 release. This is the second in a series of articles that will describe the principal improvements. For the first, see http://xenserver.org/blog/entry/dundee-tapdisk3-polling.html. The topic of this post is network I/O performance. XenServer 7.0 achieves significant performance improvements through the support for multi-queue paravirtualised network interfaces. Measurements of one particular use-case show an improvement from 17 Gb/s to 41 Gb/s. A bit of background about the PV network datapath In order to perform network-based communications, a VM employs a paravirtualised network driver (netfront in Linux or xennet in...