"ML: One of the unique features (in my mind) of Linux-VServer is unification. Could you please provide a brief description of what unification is and list any potential benefits or drawbacks?
"Bertl: I think there are quite a number of 'unique' features in Linux-VServer, unification is only a small puzzle piece to achieve high density and efficient resource usage... but to get back to your question:
"Typical hosting scenarios have a large number of quite similar guests--think fifty times Debian and forty times Fedora--so it can be assumed that they will share the very same files, like libraries and executables and only differ in configuration and 'user data'. Typically, those common files will not only take up a lot of disk space, each file will also consume a certain amount of memory (for caching and mapping)..."
