Open Internet by MindsNet

Preventing Double Processing in Message Queues with At-Least-Once Delivery Semantics

A fundamental problem exists in message queues with at-least-once delivery semantics where a consumer crash can lead to duplicate processing of messages. This issue is not specific to any broker but a property of the delivery contract. It results in duplicated orders, notifications, and other unintended consequences.

Computing & Technology, Computer Science, Software Engineering