At least for cloud deployments you don't need a full blown OS when all you want to do is run apps like NGINX or Redis. If you use a unikernel instead, then you

At least for cloud deployments you don't need a full blown OS when all you want to do is run apps like NGINX or Redis. If you use a unikernel instead, then you severely (orders of magnitude) reduce cold boot times, memory consumption, server density (thousands on hw-isolated instances on a single server) and TCB.