Release: Xen 4.3

Posted by Kenneth van Surksum   |   Tuesday, July 9th, 2013   |  

The Xen Project, the community which develops the Xen hypervisor under the GNU General Public License (GPLv2) and which is now transferred from Citrix to the Linux Foundation, today announced the release of version 4.3 of the Xen hypervisor. This version is the follow up of version 4.2. which was released in September last year.

Xen 4.3 is the work of just over 9 months of development, with 1362 changesets containing changes to over 136128 lines of code, made by 90 individuals from 27 different organizations and 25 unaffiliated individual developers.

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Version 4.3.0 provides the following new features (among others) as outlined in the feature list:

  • Early support for ARM 32- and 64-bit architectures
  • NUMA -aware scheduling
  • Support for openvswitch
  • Support for 16TB of RAM on hosts
  • Tested for up to 750 virtual CPUs
  • Support for Intel hardware virtualization for APIC, ACPI v5 support
  • Support for MWAIT extension allowing power efficiency

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