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Latest Xen Project Blog Posts

Announcing Xen Project 4.8 RC and Test Day Schedule

On Monday, we created Xen 4.8 RC1 and will release a new release candidate every week, until we declare a release candidate as the final candidate and cut the Xen 4.8 release. We will also hold a Test Day every Friday for the release candidate that was released the week prior to the Test Day. […]

A Recap of the Xen Project Developer Summit 2016

The Xen Project descended on Toronto, Canada in late August for its annual Xen Project Developer Summit. The Summit is an opportunity for developers and software engineers to collaborate and discuss the latest advancements of the Xen Project software. It also gives developers a chance to better understand new trends and deployments in the community […]

Xen Project 4.5.5 Maintenance Release is Available

I am pleased to announce the release of Xen 4.5.5. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.5 stable series update to this point release. Xen 4.5.5 is available immediately from its git repository:     xenbits.xenproject.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.5     (tag RELEASE-4.5.5) or from the Xen Project […]

Latest Planet Blog Posts

XenServer smart backup with XO

Discover a new feature to enjoy XenServer backup in a very easy and automated way!

XenServer 7.0 performance improvements part 4: Aggregate I/O throughput improvements

The XenServer team has made a number of significant performance and scalability improvements in the XenServer 7.0 release. This is the fourth in a series of articles that will describe the principal improvements. For the previous ones, see: http://xenserver.org/blog/entry/dundee-tapdisk3-polling.html http://xenserver.org/blog/entry/dundee-networking-multi-queue.html http://xenserver.org/blog/entry/dundee-parallel-vbd-operations.html In this article we return to the theme of I/O throughput. Specifically, we focus on improvements to the total throughput achieved by a number of VMs performing I/O concurrently. Measurements show that XenServer 7.0 enjoys aggregate network throughput over three times faster than XenServer 6.5, and also has an improvement to aggregate storage throughput. What limits aggregate I/O throughput? When a number of VMs are...