SCHEDULING
Scheduler Task Rescheduling
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CASE ANALYSIS
Scenario
A client submits a task to a scheduler. The scheduler queues the task; a worker processes it. On failure, the scheduler retries according to retry policy, rescheduling the task up to a maximum retries before marking it failed.
Key decisions
- Implement retry logic with max retries and backoff
- Use a task queue to decouple submission from processing
- Notify client on completion or failure
When to reuse this
When designing a distributed task scheduling system with fault tolerance and retries, such as job queues, cron replacements, or workflow engines.
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sequence-scheduler-task-rescheduling-sequence-diagram