All of what you mentioned applies equally well, if not better, to the JVM. Especially now that it has virtual threads. The article does not go into details abou

All of what you mentioned applies equally well, if not better, to the JVM. Especially now that it has virtual threads. The article does not go into details about the implementation of the Java program. My guess is that they were not using asyc code, or profiled it to see what the bottlenecks are. Rewriting is always fun especially in the latest flavor of the day stack.