Tag
delivery-semantics
- Oct 22, 2025 Why Exactly-Once Delivery Stops at the Workflow Boundary How end-to-end exactly-once requires three coordinated commits, which participant in a scheduled workflow cannot supply one, and what the achievable guarantee actually is. data engineering
- Jun 26, 2023 What Exactly-Once Delivery Requires at Each Hop The guarantee is a conjunction of idempotence keys, transactional positions, and source cooperation, and it terminates at the first hop that lacks any of them. data engineering