Why is implementing a queue an anti-pattern?

[maxim]

When to use SQS?

I assume that your question applies to any queuing solution (Kafka, RabbitMQ, etc.), not only SQS. What are the features of a distributed queue? Producers can enqueue tasks Accumulate (backlog) tasks if consumers are down or slow Deliver each task to a single consumer The consumer can report task completion (ack) or failure (nack) back to the queue If a task is not acked/nacked within a configured timeout it is considered nacked. Some queues support extending the running task timeout (aka hea…