Netflix interviews
Netflix interviewsLive ads event pipeline · late recovery, duplicates and cutover · Aug 2026
A retry can outlive the stream
“at-least-once delivery with best-effort de-duplication, not exactly-once.”
Yogesh NagarurAuthor
Keep identity through recovery
What happens when recovery sends an event the sink already holds?
ExampleCompare twice. Publish once.
“Earn the cutover.”
Yogesh NagarurAuthor
Separate comparison from publication
How do both pipelines compare the same input without both publishing it?
ExampleLast reviewed