One of the fundamental truths behind any innovation is it breaks at least one 'sacred' belief of the last generation. The JVM was not a technology built for this kind of multi-tenancy, it was bolted on later.
V8 is one of the most well tested and secured pieces of software in existance, and that it has a much smaller surface area than the Linux process isolation you're referring to.
V8 is one of the most well tested and secured pieces of software in existance, and that it has a much smaller surface area than the Linux process isolation you're referring to.