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Apache Kafka

Distributed event streaming platform for high-performance data pipelines

Overview

Apache Kafka is the industry standard for event streaming. Created at LinkedIn, it handles trillions of events per day at companies like Netflix, Uber, and Airbnb. It's the backbone of real-time data architectures, enabling pub-sub messaging, stream processing, and event sourcing.

Key Features

  • High Throughput: Millions of events per second
  • Durability: Persistent, replicated log storage
  • Scalability: Horizontal scaling with partitions
  • Kafka Connect: Pre-built connectors for data integration
  • Kafka Streams: Stream processing library
  • Exactly-once Semantics: Guaranteed message delivery

Pros

  • 👍 Battle-tested at massive scale
  • 👍 Huge ecosystem and community
  • 👍 Strong durability guarantees
  • 👍 Managed options available (Confluent, MSK)
  • 👍 Foundation for event-driven architecture

Cons

  • 👎 Complex to operate self-hosted
  • 👎 Steep learning curve

Best For

Organizations building real-time data pipelines, event-driven architectures, or needing reliable message streaming. Essential for microservices communication at scale.

Founded: 2011 HQ: Apache Software Foundation