In these discussions it's good to quantify what you mean by "many connections". Eg web is full of people posting Java OutOfMemory stack traces when they haven'

In these discussions it's good to quantify what you mean by "many connections". Eg web is full of people posting Java OutOfMemory stack traces when they haven't increased the OS resource limits from the default and are imagining that the limit is 10k threads instead of 1M threads on their hw, falsely concluding that Java uses uses a lot of physical memory per thread stack.