Interesting; I had not heard of OSv, thanks.
I am still hoping that something as radical as MirageOS will eventually take off, since we really seem to need it--at the very least, from a security perspective, if not a complexity one. Just by dumping C and Unix, and using a memory-safe language (such as OCaml) instead, we eliminate an entire class of exploits.
I will readily admit, though, that trying to force the entire world to use OCaml will surely be the fastest way to fail at this goal. Perhaps aggressively sandboxing is an adequate alternative, which would allow people to write code in environments sitting on stacks containing code from unsafe languages, without single exploits leading to entire system compromise.
