> Things like flow volume across boundaries, level or volume in buffers or storage, composition of things as fractions of the whole, and so on. Sounds expensiv

> Things like flow volume across boundaries, level or volume in buffers or storage, composition of things as fractions of the whole, and so on. Sounds expensive. I'd say logging in IT hasn't been as advanced because the tradeoffs most software projects chose are very different from requirements of nuclear, aeronautics, etc.