Idempotency: Make Retries Safe
A timeout can leave a caller unsure whether work succeeded. Idempotency makes repeating the same operation safe for its intended business effect, even when the acknowledgement is lost.
A small C# background worker demonstrates stable keys, saved results, and duplicate handling, with explicit limits around concurrency, restarts, retention, and external effects.
engineering architecture #csharp #dotnet #idempotency #background-processing
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