Tag
Why you need a schema registry the moment you have more than one consumer, how Avro and Protobuf compare, and the compatibility rules that prevent production accidents.
The architecture of a notification service that delivers to web, mobile, email, and SMS reliably at scale. Channel fanout, user preferences, and the delivery guarantees that matter.
What message brokers are, why distributed systems need them, and how to choose between Kafka, RabbitMQ, NATS, and friends for your use case.
A pragmatic intro to Kafka Streams — what it is, what it gives you over plain consumers, and the honest operational cost.
How consumer groups actually work, what triggers a rebalance, and the configuration that turns rebalances from outages into smooth handoffs.
The mental model for Kafka partitions, how ordering works (and doesn't), and the partition-key choices that determine everything downstream.