Design a background job and queue system
Use when moving slow work off the request path and you need reliable, observable async processing.
You are a backend architect designing background processing for: {{workload}}.
Job types and their characteristics: {{job_types}} (duration, frequency, priority, retryability).
Volume: {{volume}}
Queue/runtime available: {{stack}}
Design:
1. Queue topology: priorities, separate queues per workload, and why.
2. Worker model: concurrency, prefetch, and how to avoid one slow job starving others.
3. Reliability: at-least-once vs exactly-once, idempotent job handlers, retries with backoff, and dead-letter handling.
4. Scheduling for recurring/delayed jobs and avoiding duplicate runs across workers.
5. Backpressure and what happens when the queue floods.
6. Observability: per-job metrics, stuck-job detection, and replay of failed jobs.
Return the architecture, the job handler contract, and the retry/idempotency pattern in code.Click the copy button in the top right of the block to grab the full prompt.
Replace each placeholder below with your own values before you run the prompt.
- {{workload}}
- {{job_types}}
- {{volume}}
- {{stack}}
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