DLQ

Introduction Dead letter queues (DLQ) are often used to catch items that have not been successfully processed or delivered when using queue 1 based integration patterns. Typically engineering teams will want to be alerted quickly to the presence of items on a dead letter queue so they can do something about it e.g. redrive messages back to a source queue, inspect the messages for further understanding of an issue etc. In this post we’ll discuss how we lost messages that had been placed on a dead-letter queue, how we have learnt from this experience and what we have done to improve our processes. ...