Some useful background info in https://www.kartar.net/2017/10/prometheus/ on why Turnbull wrote the book, despite being one of the maintainers for a competing monitoring tool, Riemann.
Some useful background info in https://www.kartar.net/2017/10/prometheus/ on why Turnbull wrote the book, despite being one of the maintainers for a competing monitoring tool, Riemann.