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Latest Xen Project Blog Posts

Q&A: Xen Project Release Strengthens Security and Pushes New Use Cases

The following Q&A with Lars Kurth, the Xen Project chairperson, was first published on Linux.com. Xen Project technology supports more than 10 million users and is a staple in some of the largest clouds in production today, including Amazon Web Service, Tencent, and Alibaba’s Aliyun. Recently, the project announced the arrival of Xen Project Hypervisor […]

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, […]

Latest Planet Blog Posts

Dev report 3 on Xen Orchestra 5.0

Xen Orchestra 5 incredible performances revealed in this dev report.

XenServer 7.0 performance improvements part 1: Lower latency storage datapath

The XenServer team made a number of significant performance and scalability improvements in the XenServer 7.0 release. This is the first in a series of articles that will describe the principal improvements. Our first topic is storage I/O performance. A performance improvement has been achieved through the adoption of a polling technique in tapdisk3, the component of XenServer responsible for handling I/O on virtual storage devices. Measurements of one particular use-case demonstrate a 50% increase in performance from 15,000 IOPS to 22,500 IOPS. What is polling? Normally, tapdisk3 operates in an event-driven manner. Here is a summary of the first few steps required...