RE your questions at the bottom, some good reading materials are: - https://sre.google/sre-book/monitoring-distributed-systems/ https://sre.google/sre-book/mon

RE your questions at the bottom, some good reading materials are: - https://sre.google/sre-book/monitoring-distributed-systems/ https://sre.google/sre-book/monitoring-distributed-systems/ - https://cloud.google.com/architecture/devops/devops-measurement-monitoring-and-observability https://cloud.google.com/architecture/devops/devops-measurem... - https://www.oreilly.com/library/view/distributed-systems-observability/9781492033431/ https://www.oreilly.com/library/view/distributed-systems-obs...