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BREADINESS-101 · Collect assumptions

Turn the registration forecast into a workload envelope

Practice briefTaskFoundational

The launch plan says 'ten times traffic' without a base rate or request mix.

Focused work estimate
1h + prerequisites
Priority in the scenario
Medium
Engineering practice
Capacity planning

Estimated field mix

  • Performance engineering60%
  • Site reliability40%

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 course platform expects a registration deadline spike. Capacity assumptions, escalation ownership, and degradation decisions are scattered across old documents.

Setup prerequisites

  • Create synthetic registration traces and local dependency doubles with finite connection and request limits.

Preceding work

No earlier ticket is required. Complete the project setup above.

Acceptance criteria

  • Declare arrival range, duration, and request mix.
  • Separate new registrations from read traffic.
  • Identify unknown forecast assumptions.

Implementation constraints

  • Use fictional demand figures and label them assumptions.

Verification to include

  • Convert the forecast into a bounded local trace.
  • Reject an unspecified multiplier as a complete workload definition.

Deliverables

  • Workload envelope.

Rollout and recovery

Review assumptions before capacity testing.

Value of the work

For the engineer: Practice readiness reviews, capacity reasoning, and cross-functional operational handoffs.

For the team: Produce a concrete launch-readiness assessment with measurable risks and recovery actions.

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.