Managing Long Running Tasks easy
In a Webhook pattern, what does the client provide to receive the notification?
- A A phone number.
- B A Callback URL (endpoint) on their own server that you can send a POST request to.
- C Their password.
- D A Bitcoin wallet.
Answer: B. A Callback URL (endpoint) on their own server that you can send a POST request to.
The server 'calls back' the client when the work is done.
One system design question a day, with spaced repetition so the ones you miss come back.
Get the appRelated questions
- What is the primary purpose of a Dead Letter Queue (DLQ)?
- The architectural pattern where one service creates tasks and another processes them is called:
- In a Priority Queue system (High vs Low), what is 'Starvation' and how do you fix it?
- How do you atomically update your local database AND publish a message to a queue without losing sync if the process crashes in between?
- What does 'Fire and Forget' mean?
- Why might you 'Throttle' (limit the speed of) your background workers?