All challenges
Multiple ChoiceHard 180s

[System Design] DLQ Async decoupling

Dead Letter Queue for failed messages.
Options
  1. 1Message queues
  2. 2Database sharding
  3. 3Circuit breaker
  4. 4CQRS

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle