What metrics prove Kafka Exactly-Once Semantics is healthy in prod?

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Use the parent topic “Kafka Exactly-Once Semantics” as context. Cover testing approach, production metrics, or scale impact as asked — then refine with AI Mentor below.

Parent context — Kafka Exactly-Once Semantics

Mitigate first, then root-cause. Check symptoms against: Assuming EOS covers DB update without idempotency key..

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