What is Azure Service Bus message TTL and how does it impact system design?
Updated Apr 23, 2026
Short answer
TTL defines how long a message stays in the queue before expiring.
Deep explanation
Each message in Service Bus can have a Time-To-Live. If the message is not consumed within this time, it expires and is either deleted or moved to DLQ. TTL helps prevent stale data processing and ensures system relevance.
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