The Xen Project's code contributions have been growing 10% a year. However, during this period of growth, the code review process became much slower, leading to issues in the community. Lars Kurth and Daniel Izquierdo explain how software development analytics came to the rescue: it provided surprising insights that allowed the project members to understand issues and take corrective action.

Some workloads work better on a hypervisor hosted within an existing operating system, while others work better on a hypervisor run directly on bare metal with no operating system host. Russell Pavlicek explores a growing breed of solutions that specifically leverage the architecture of a bare-metal hypervisor to address new concepts.