How massive systems move away from synchronous HTTP bottlenecks and toward asynchronous queues and event streams.
Why HTTP REST architectures crumble under complex workflows, and how compound latency leads to cascading failures.
Decoupling producers and consumers using message brokers. Understanding exchanges, topics, and independent consumer workers.
Storing your database as an immutable log of historical events rather than just the "current state", allowing for perfect auditability and time travel.
How systems handle millions of events per second using persistent, replayable, highly-partitioned distributed logs.