Serverless Design Patterns and Best Practices by Brian Zambrano

Author:Brian Zambrano [Brian Zambrano]
Language: eng
Format: epub, mobi
Tags: COM051230 - COMPUTERS / Software Development and Engineering / General, COM011000 - COMPUTERS / Systems Architecture / General, COM051000 - COMPUTERS / Programming / General
Publisher: Packt Publsihing
Published: 2018-04-12T08:54:49+00:00

Readers should note that they can implement a Messaging Pattern with either a queue or streaming system. In this chapter, we focus on queues but later discuss the merits of stream systems and the differences between the two types of message broker. In subsequent chapters, we will work through the details of streaming systems.

One of the most dangerous spots to be in is when all the incredible benefits of a queue are in place, only to have the actual queue server (RabbitMQ and so on) running as a single node. I have worked at multiple companies that have relied quite heavily on RabbitMQ as the queueing backbone, running very high business-critical workloads from it. However, we ran these RabbitMQ deployments as a single EC2 instance with lots of computing capacity. Inevitably, when an individual instance runs into problems or for some reason dies, the entire system falls apart, resulting in lost messages, failing clients who attempt to write the queue and error out, and an all-around bad day.

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