medium10 pts · first answer countsmessage-queuesidempotency
At-least-once delivery
Your SQS or Kafka consumer sends a welcome email for each UserSignedUp message. The queue gives at-least-once delivery. What must the consumer be designed for?
Discussion 0
Join free to post in the discussion.
Related questions
- The non-idempotent methodBackend Developer
- Slow email during signupBackend Developer
- More consumers than partitionsBackend Developer
- One bad message blocks the queueBackend Developer
- Worker crash with auto-ackBackend Developer
- Safe retries for paymentsBackend Developer
- Workers block each other on a jobs tableBackend Developer
- Welcome email sent twiceFull Stack Developer