Guides · Technology

Idempotent Message Producer Basics

Avoid duplicate events

Idempotent producers assign unique IDs, deduplicate sends, avoid re-sending on unknown outcomes without safeguards, and coordinate with brokers that support exactly-once-like semantics where available.

idempotent producer
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Use IDs

Set unique message IDs and reuse on retries.

Dedupe Sends

Check broker acks; avoid blind resends; use transactions if supported.

Monitor

Track duplicates and failures; align with idempotent consumers.

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