Cleaner, faster, better code

Part 1 here. If you're reading the part 2, then it must mean that I managed to pique your curiosity, and that I potentially called on to some awareness about metrics collection. Prometheus and the likes really make sense as the number of applications, servers, testbeds or any computing unit connected on your company network increases: - they offer a centralized method for metrics storage and management. - they scale ridiculously well, and you can have clusters (replicated/dis