ai-infrastructure llm observability billing cost-attribution architecture openai anthropic backend-engineering system-design ai-operations

distributed-systems consistency cap-theorem pacelc eventual-consistency linearizability saga crdt database system-design backend-engineering

distributed-systems resilience redis retry-patterns system-design fault-tolerance nats raft

distributed-systems rpc nats grpc messaging microservices idempotency system-design backend-engineering event-driven

distributed-systems messaging nats kafka mqtt event-driven iot architecture backend-engineering system-design

docker kubernetes containers devops infrastructure cloud-native backend-engineering system-design cgroups linux-namespaces

programming-languages system-design scale rust golang java python architecture backend-engineering performance

observability billing cost-attribution opentelemetry distributed-systems architecture backend-engineering system-design metrics tracing

concurrency system-design golang architecture distributed-systems backend-engineering csp actors production

concurrency system-design golang erlang rust distributed-systems csp actors stm backend-engineering