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An unexpected perf feature
LWN.net Weekly Edition for May 16, 2013
A look at the PyPy 2.0 release
PostgreSQL 9.3 beta: Federated databases and more
LWN.net Weekly Edition for May 9, 2013
YES PV is massively faster then just plain Qemu. Massively faster in all respects. The overhead of Xen PV vs naked hardware is going to be just a few percent.
Of course this requires modification to the guest.
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