If you are upgrading domain 0 Linux kernel from a non-pvops (classic, 2.6.18/2.6.32/etc.) kernel to a pvops one (3.0 or later), you may find that the amount of free memory…
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Yes, no matter whether big or small NUMA piece of hardware, the Xen.org community is staring at you right in the eyes, and we will get the best out of…
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A quick round-up of Xen events in May and an update on Xen Summit in August: for more information see the Xen Events page. Xen @ Ubuntu Developer Summit, May…
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Among the more unique features of Xen 4.2 is a feature called cpupools, designed and implemented by Jürgen Groß at Fujitsu. At its core it's a simple idea, but one…
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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,…
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On March 18th, Linux 3.3 was released and it featured a number of interesting Xen related features. Re-engineered how tools can perform hypercalls - by using a standard interface (/dev/xen/privcmd…
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The OpenStack community has recently released the Essex release, which supports XCP and XenServer. A number of vendors have worked at that support including Citrix, Internap and Rackspace Public Cloud.…
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Fedora is planning a number of test days as part of their release cycle, including a Virtualization Test Day on April 12th (this Thursday). Information about the virtualization test day can be…
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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…
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Hi everyone! I'm Wei Liu, a graduate student who is pursuing his master's degree from China. If you read posts on blog.xen.org from time to time, you might remember me.…
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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.…
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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…
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