Conceptual Every Record Counts: Data Engineering for Backend Engineers
Part 26: "Time Is a Lie" — Streaming Fundamentals
Season 3 opens with a delivery van that warmed up where nobody could hear it. Rohan's consumer groups readings by arrival and misses the excursion. Event time, windows, watermarks, lateness, triggers, state, exactly-once and the Dataflow model, simulated in Python and previewed in Flink SQL.