But node.js doesn't have any concurrency. It's single-process, single-threaded and event driven, so by definition it's not concurrent. It's just not blocking.

But node.js doesn't have any concurrency. It's single-process, single-threaded and event driven, so by definition it's not concurrent. It's just not blocking. Also, was someone really trying to run performance benchmarks on a shared machine running on a VM and expecting to get anything meaningful out? Really? Like really? I'm embarrassed for you.