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How can I prevent events from being lost or duplicated in the AI Intelligent Body system?

2025-08-21 24

Reliability Assurance Program

Sailhouse has multiple safeguards built in:

  • At least one drop-off: The event is automatically retried until ack() is received.
  • dead letter queue: Unsuccessful transfer to DLQ after configuring maxRetries
  • idempotence design: Requires the developer to include the idempotency key in the event handling logic
  • Automatic checkpoints: Pull mode automatically saves the offset

Implementation points:
1. Business-critical use of event.nack() to achieve the index backoff retries
2. Configure alert rules to monitor DLQ backlogs
3. Adding unique transaction IDs for financial transactions
4. Regularly test system resilience using the console's event replay feature

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