Automation

Automation vs autonomy; 5-level hierarchy (manual → autonomous); safety properties (rate limiting, idempotency); MySQL on Borg case study

Fitness function automation; stages, fan-in/fan-out; CD vs CDP; cycle time as business metric; zero-downtime deployment (four phases: prepare/drain/apply/start); expand/contract relational schema pattern; trickle-then-batch schemaless migration; canary group evaluation; immutable infrastructure; EDM deployment patterns