Are we talking about VMs (e.g. K8s or something) or JVMs (or other equiv garbage-collected runtimes for other languages with hot-code-loading)? I'm imagining t

Are we talking about VMs (e.g. K8s or something) or JVMs (or other equiv garbage-collected runtimes for other languages with hot-code-loading)? I'm imagining that sharing actual JVMs is a massive saving over each function getting its own VM to launch a JVM in?