Message Queues: Asynchronous Processing Patterns
May 15, 2024•1 min read
Message QueuesRabbitMQRedisAsynchronous
# Message Queues: Asynchronous Processing Patterns
Message queues enable asynchronous processing, improving application responsiveness and scalability.
## Queue Patterns
### Producer-Consumer
```typescript
// Producer
await queue.add('process-order', {
orderId: '123',
userId: '456',
});
// Consumer
@Processor('process-order')
export class OrderProcessor {
@Process()
async handle(job: Job) {
const { orderId, userId } = job.data;
await this.processOrder(orderId, userId);
}
}
```
### Pub/Sub Pattern
```typescript
// Publisher
await redis.publish('order.created', JSON.stringify({
orderId: '123',
userId: '456',
}));
// Subscriber
redis.subscribe('order.created', (message) => {
const event = JSON.parse(message);
handleOrderCreated(event);
});
```
## Use Cases
- Email sending
- Image processing
- Report generation
- Data synchronization
- Background jobs
## Conclusion
Message queues enable scalable, asynchronous processing. Choose appropriate queue systems based on your requirements.