Well placed and performant logging can be absolutely crucial: - for a simple bug, it can allow to understand the root cause and fix the problem before even rep

Well placed and performant logging can be absolutely crucial: - for a simple bug, it can allow to understand the root cause and fix the problem before even reproducing it - for a tricky bug, it can help understand how to reproduce it, and verify that you are reproducing the correct one - and then comfortably explore it in a debugger. Source: I had been troubleshooting both kinds of the above in networking gear for a decade as my professional occupation.