Async Processing: Kafka & RabbitMQ

Quick Reference: Pub/Sub Model


Quick Reference

FeatureKafkaRabbitMQ
TypeDistributed logMessage broker
ThroughputVery high (millions/sec)High (thousands/sec)
LatencyHigher (batch)Lower (real-time)
DurabilityPersistent logOptional
Use CaseEvent streaming, logsTask queues, routing

Clear Definition

Kafka is a distributed event streaming platform optimized for high throughput. RabbitMQ is a message broker optimized for routing and reliability. Both enable asynchronous processing and decouple system components.

šŸ’” Key Insight: Kafka for high-throughput event streaming, RabbitMQ for reliable message routing and task queues.


Core Concepts

Kafka

  • Topics: Streams of records
  • Partitions: Topics split into partitions for parallelism
  • Producers: Write to topics
  • Consumers: Read from topics
  • Brokers: Kafka servers

RabbitMQ

  • Exchanges: Route messages to queues
  • Queues: Hold messages
  • Bindings: Connect exchanges to queues
  • Routing: Direct, topic, fanout, headers

Use Cases

Kafka

  1. Event Streaming: User activity, logs
  2. Data Pipeline: ETL processes
  3. Real-time Analytics: Stream processing

RabbitMQ

  1. Task Queues: Background jobs
  2. Message Routing: Complex routing needs
  3. Reliable Delivery: Guaranteed delivery

Best Practices

  1. Choose Based on Needs: Kafka for streaming, RabbitMQ for queues
  2. Handle Failures: Implement retries and dead letter queues
  3. Monitor: Track message rates and lag

Quick Reference Summary

Kafka: High-throughput event streaming platform.

RabbitMQ: Reliable message broker for task queues and routing.

Key: Kafka for streaming, RabbitMQ for queues.


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