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Kafka Pub/Sub — Event-Driven Communication

senior15 мин

Order Service creates an order and publishes an OrderCreated event to a Kafka topic. The producer neither knows nor cares who will receive this event.

Почему так?

Loose coupling: Order Service does not depend on Payment, Notification, or other services. New subscribers can be added without modifying the producer.

Прогресс1 / 5

Order ServiceProducer

GogRPC

Apache Kafka3 brokers

Payment ServiceConsumer Group

JavaSpring

Notification ServiceConsumer Group

Node.js

Dead Letter TopicError handling

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Topic: order-events, Partition by order_id