Message Queues Explained: Why LinkedIn Built Kafka and Changed Async Communication Forever
Covers: Point-to-Point vs Pub-Sub, Kafka Internals, Delivery Guarantees, Dead Letter Queues, Backpressure
The Upload That Broke Everything
In 2011, LinkedIn's activity feed was choking. Every time a user updated their profile, viewed a connection, or clicked an article, the system needed to:
Update the activity feed







