// test.js at https://gist.github.com/tasinet/3ad091af55c659e5bd49
// makes 100 (serial) connections to https://registry.npmjs.org using (node::)http.request(), after changing the globalAgent.maxSocket (Default: 5).
// spoilers:
maxSocket 1 default
exeecution time 1.97 s. 13 s.
TCP conns 2 100
UDP conns 6 300