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IntegrationSeptember 2025
Message queuing patterns for resilient systems
Queues buffer load and decouple services, but require careful handling of ordering, duplication, and poison messages.
When to use queues
Use queues for asynchronous tasks, rate smoothing, and to decouple services with different scaling profiles.
Design for idempotency and consider ordering requirements explicitly.
Failure modes
Implement dead-letter queues and monitoring for poison messages.
Provide clear replay strategies and tooling to inspect and reprocess messages safely.