Managing Long Running Tasks medium
The 'Fan-Out' pattern usually involves:
- A Sending one message to an Exchange (SNS/Topic) which then copies it to multiple parallel Queues (e.g., one for Email Service, one for Analytics Service).
- B Cooling the server.
- C Deleting messages.
- D Load Balancing.
Answer: A. Sending one message to an Exchange (SNS/Topic) which then copies it to multiple parallel Queues (e.g., one for Email Service, one for Analytics Service).
Allows adding new consumers/features without modifying the producer code.
One system design question a day, with spaced repetition so the ones you miss come back.
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