tl;dr:“I have a confession. Despite having been hired multiple times in part due to my experience with monitoring platforms, I have come to hate monitoring. Monitoring and observability tools commit the cardinal sin of tricking people into thinking this is an easy problem. It is very simple to monitor a small application or service. Almost none of those approaches scale.” The article suggests several recommendations for improving the monitoring process.
tl;dr:"Allow me a moment to go back through some of the most disastrous decisions or projects I ever agreed to (or even fought to do, sometimes):" (1) Don't migrate an application from the datacenter to the cloud. (2) Don't write your own secrets system. (3) Don't run your own Kubernetes cluster. Mathew runs through 6 decisions in total, and provides what should have been done for each.
tl;dr:"We need to establish a connection between two devices through various levels of networking abstraction, both at the ISP level and home level. This needs to be secure, reliable enough to maintain a conversation and also low bandwidth enough to be feasible given modern cellular data limits and home internet data caps. All of this needs to run on a device with limited battery capacity."