Fedora 12 Linux Tackles Virtualization (InternetNews.com)

InternetNews has a look at Fedora 12 virtualization features, including libguestfs, huge page support, and kernel shared memory: "Frields noted that a key new feature is the ability of the virtualization hypervisor to understand duplicate pages across guests. [...] 'So if, for example, you're running a host that has ten or twelve instances of the same operating system ... a large number of their memory pages might actually be duplicated across guests,' Frields said. 'So the system has the ability to find those pages and simply point them to one page on the host's memory. So the actual memory used drops by quite a bit.'"

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