You can totally run a cluster of Node instances. But each instance can only do one thing at a time. No multiprocessing, you have to spin up a new VM for each th

You can totally run a cluster of Node instances. But each instance can only do one thing at a time. No multiprocessing, you have to spin up a new VM for each thing you want to do. You also don't get shared memory concurrency when it's beneficial, and you have to speak in callbacks. There are better langs out there for concurrent web. Erlang and Haskell+Warp are fantastic, for instance.