Blocking the event loop in node can cause severe issues. If you are juggling with 5 sticks but one stays in your hand for 1 second, your juggling will certainly

Blocking the event loop in node can cause severe issues. If you are juggling with 5 sticks but one stays in your hand for 1 second, your juggling will certainly fail. Instead of flamegraphs I use nodegrind, which I can use with KCachegrind/QCachegrind.