Private & Confidential Spinning up microservices using Ruby/Kafka ankitagupta12 

Private & Confidential API v/s Event Stream 

Private & Confidential An event stream limits the concern of publishing service to broadcasting a message when an event occurs i.e. fire and forget What is an event stream? 

Private & Confidential Kafka is a distributed, partitioned, replicated commit log service 

Private & Confidential Kafka clusters contain topics that can be subscribed to by multiple consumers 

Private & Confidential Producer. Publishes messages Consumer. Subscribes to messages Topic. Category of messages Key Definitions 

Private & Confidential So what does this look like in practice? 

Private & Confidential Pheromone. https://github.com/ankitagupta12/pheromone Pheromone allows easy publishing of changes (inserts and updates) in ActiveRecord models to topics in Kafka. Setting up your first Producer 

Private & Confidential Setting up a Producer using Pheromone 

Private & Confidential Karafka. https://github.com/karafka/karafka Karafka is a higher level abstraction on raw Kafka drivers, providing tools to set up consumers for multiple topics within a single application. Setting up your first Consumer 

Private & Confidential Register a consumer and topic 

Private & Confidential Add in the consumer logic 

Private & Confidential Thank you