This blog is mostly about Linux-related topics but from time to time covers interesting other OS-related technology. One such interesting new technology is OSv, which was designed from the ground up to execute a single application on top of a hypervisor, resulting in superior performance and effortless management. Developed by a number of the initial developers of KVM, including Avi Kivity, OSv was designed to give near-hardware level access efficiency for Java VMs. OSv also reduces the memory and CPU overhead imposed by traditional OSes. Evidently ZFS is the default filesystem. Interestingly, OSv is implemented in C++, using templates, which
