How Many Children Learned Mathematics from Kiselev's Textbooks?
Summary
The article covers setting up server monitoring for a Rails app using Hatchbox and AppSignal, emphasizing deeper visibility beyond gut checks. It explains host-level metrics (memory, CPU, disk, network) and app-level metrics (throughput, errors, traces), how to read dashboards, and practical alerting guidance to move from reactive firefighting to proactive observability.