Ravi Sir's Cards › AWS
Why idempotent consumers?
This interview card answers: Why idempotent consumers? Delivery. Streams are at-least-once; duplicates happen. Key on eventID or business keys.
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What this card says
What it is
Delivery.
Why it matters
Streams are at-least-once; duplicates happen.
at-least-once
How / example
Key on eventID or business keys.
MNC: exactly-once myth.