Xen 4.2 will contain two new scheduling parameters for the credit1 scheduler which significantly increase its confurability and performance for cloud-based workloads: timeslice_ms and ratelimit_us. This blog post describes what they do, and how to configure them for best performance. Timeslice The timeslice for the credit1 has
Today, Citrix and the Apache Software Foundation (ASF) announced that it will relicense the CloudStack open source project under the Apache License and contribute the CloudStack code to the ASF. Before I explain why this is good for the Xen community and the Open Cloud, I wanted to congratulate CloudStack
We have hit the next milestone in the release plan for Xen 4.2: * 19 March — TODO list locked down * 2 April — Feature Freeze WE ARE HERE * Mid/Late April — First release candidate * Weekly — RCN+1 until it is ready We are therefore now in Feature
We have another Xen document day come up next Monday. Xen Document Days are for people who care about Xen Documentation and want to improve it. We introduced Documentation Days, because working on documentation in parallel with like minded-people, is just more fun than working alone! Everybody who can contribute
Since early January I have been tracking the status of work left to do before 4.2 by posting a weekly roundup of the remaining blockers and “nice to haves”. You can find these in the xen devel list archives, posted most Monday mornings. Last week I decided that the
Virtual Build a Cloud Day will be dedicated to teaching users how to build and manage a cloud computing environment using free and open source software. The program is designed to expose attendees to the concepts and best practices around deploying cloud computing infrastructure. I’ll be presenting the XCP
Just a quick reminder that the next Xen Document Day is coming up. Xen Document Days are always on the last Monday of each month (unless they clash with another Xen event). Document Days are all-day on-line IRC event with the aim to * Improve user documentation * Improve developer documentation, including
Back in november we announced our effort to port Xen to the ARM Cortex-A15 / ARMv7 with virt extensions. I am very pleased to say that as of xen-unstable.hg changeset 24741:fb71a97fe339 the initial patches for this port are now part of the mainline Xen code base and will be
I’m happy to announce that XCP 1.5 Beta is available! This release comes with a number of new features, most notably the Xen 4.1 hypervisor. Please go to the downloads page to download and test the beta release. If you would like to report a possible bug,
Just a quick reminder that it is only 4 weeks to the Oracle hosted Xen Hackathon in Santa Clara, CA, USA (March 6-8). More than half of the available spaces have gone. What is a Xen Hackathon The aim of the Hackathon is to give developers the opportunity to meet
I wanted to remind vendors in the Xen community and individuals looking for jobs, that Xen.org has a Jobs in the community page. In the last three months, four positions were filled. If you are a vendor which is active in the Xen community and are looking to fill
Dear Community Members, I am pleased to announce that I am finally able to build a new website for Xen.org. In fact some of the work has already started and it is time to get your input. The aim of this work is to create an engaging and integrated