Ben Evans at JNation 2024
summary
Observability is a concrete engineering discipline that combines theory and hands‑on tooling, taught in a 3.5‑hour workshop with new labs derived from the book Optimising Cloud Native Java (second edition). Coverage includes single‑JVM topics like GC and JIT and expands to cloud concerns: clustering, deployment, and failure modes. Practical tools demonstrated are OpenTelemetry, Prometheus and Micrometer, with emphasis on statistical measurement techniques and reproducible lab exercises that show what actually breaks and how fixes perform.
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