What are Kafka retries and how do they work?

What are Kafka retries and how do they work?

Kafka retries refer to the mechanism that allows a producer or consumer to attempt to resend messages that failed to process successfully. This is crucial for ensuring message delivery and reliability.

How can I configure retries in Kafka?

You can configure retries in Kafka by setting the retries property in the producer configuration. This specifies the number of times to retry sending a message before giving up.

What happens if all retries fail?

If all retries fail, the message will be sent to a dead letter queue (if configured) or logged for further investigation, depending on your setup.

Are there any best practices for using retries?

Yes, some best practices include setting a reasonable retry limit, implementing exponential backoff, and monitoring for failures to avoid overwhelming the system.