Message Delivery Guarantees

Good developers often associate certain words with particular pitfalls or techniques for avoiding them. Large dataset aggregation suggests the MapReduceMapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel, distributed algorithm on a cluster. pattern. Immutability may suggest functional languages. In this lesson, we’ll build another association. Whenever we consider events, we should also consider message delivery guarantees.

At-most-once delivery

Consider a simple welcome email that we might want to ...