KafkaApache Kafka — a distributed event streaming platform for high-throughput real-time data pipelines. appends events to partitioned topics that many consumers read at their own pace — ideal for activity tracking, log aggregation, and stream processing. It became the backbone of real-time data pipelines at LinkedIn, Uber, and Netflix before managed cloud offerings. Example: clickstream events land in a `pageviews` topic; analytics and recommendation jobs consume them independently.

KafkaApache Kafka — a distributed event streaming platform for high-throughput real-time data pipelines. open-sourced LinkedIn's solution for billions of daily activity events.

It defined the modern event-streaming architecture that powers analytics and microservice decoupling.