Managing Long Running Tasks easy
If a worker fails to process a task due to a temporary glitch, what should it do?
- A Retry the task (put it back in the queue) to see if it works the second time.
- B Delete the task.
- C Crash the server.
- D Email the CEO.
Answer: A. Retry the task (put it back in the queue) to see if it works the second time.
Transient errors (network blip) are common. Retries add robustness.
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:
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- 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?