What are the best practices for implementing the publish-subscribe pattern?
The publish-subscribe pattern is great for decoupling components. Key practices include using a message broker, ensuring message durability, and implementing proper error handling.
Can you explain why using a message broker is important?
A message broker acts as an intermediary, allowing publishers and subscribers to communicate without needing to know about each other, which enhances scalability and flexibility.
What are some common message brokers I should consider?
Some popular message brokers include RabbitMQ, Apache Kafka, and Redis. Each has its strengths depending on your use case.
How do I handle message failures in this pattern?
Implement retries, dead-letter queues, and logging to handle message failures effectively. This ensures that no messages are lost and can be processed later.
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