What is a dead letter queue and how does it work in different systems?
A dead letter queue (DLQ) is a storage area for messages that cannot be processed. It helps in managing errors.
Can you give me examples of systems that use dead letter queues?
Sure! Common systems include AWS SQS, RabbitMQ, and Apache Kafka. Each has its own implementation.
How do I configure a dead letter queue in AWS SQS?
To configure a DLQ in AWS SQS, create a new queue, then set it as the DLQ for your main queue in the settings.
What happens to messages in a dead letter queue?
Messages in a DLQ can be analyzed for errors, retried, or moved to another processing system for further handling.
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