Pause selected producers while preserving accepted work
Operators stop every producer even though only one import path overloads the queue.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Admission control · Authorization
Estimated field mix
- Site reliability50%
- Platform engineering30%
- Security20%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional document service has a rising processing backlog. Operators cannot tell whether arrivals, worker failures, or a slow dependency is responsible.
Setup prerequisites
- Create a bounded local queue simulation with synthetic jobs and controllable worker/dependency failures.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Scope pause controls to declared producer classes.
- Reject new work with explicit retry guidance.
- Preserve previously accepted job records.
Implementation constraints
- Privileged pause changes require an audit entry.
Verification to include
- Pause the synthetic import producer.
- Verify another producer works and unauthorized pause is denied.
Deliverables
- Scoped admission control.
Rollout and recovery
Start with one producer switch; restore intake gradually after backlog age recovers.
Value of the work
For the engineer: Practice incident timelines, queue diagnosis, and measured recovery.
For the team: Produce a repeatable response that preserves work integrity and exposes customer delay.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.