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Lessons (3)

• Resources, QoS and Scheduling Control

  … with CPU limits because throttling can add latency. QoS classes Kubernetes ranks pods for eviction when a node …

• Internals, Upgrades, Resilience and Interview Questions

  … Requests vs limits, and what are QoS classes? Requests drive scheduling; limits are runtime ceilings (CPU throttles, memory …

• Docker & Containers

  … root USER node EXPOSE 3000 HEALTHCHECK CMD wget -qO- http://localhost:3000/health exit 1 CMD ["node", "dist …