Easy Learn
What Is a Log, in Monitoring Terms? A beginner-to-production guide to logs: what they actually are at the code level, why every serious system produces them, how logging pipelines are built at companies like Netflix and Uber, and how to use logs correctly without drowning in cost or noise. 01…
What Is An Alert, In Monitoring Terms? A complete, beginner-friendly walkthrough of alerts — what they are, how they are built, how they travel through a monitoring pipeline, and how real engineering teams use them to catch outages before customers do. 01 · Intro & History 02 · Problem &…
A complete guide to software profiling: what it is, how sampling and instrumentation differ, how flame graphs work, and how modern teams run continuous profiling in production across microservices and cloud fleets.
A complete, beginner-to-production walkthrough of software observability: the 1960 control-theory origin of the word from Rudolf Kalman, the submarine and dashboardless-car analogies, and the 2010s distributed-systems pressure (Google, Twitter, Uber, thousands of containers) that forced the industry to move beyond classic monitoring; a monitoring-versus-observability comparison table explaining known-question dashboards versus…