Pattern 65 / EXECUTE

Priority Queue

Use this when Letting urgent work bypass routine backlog.

Pressure: Letting urgent work bypass routine backlog
Mechanism: Assign priority classes and schedule higher priority jobs first or with weighted fairness
Toll: Low-priority starvation and priority inflation need controls

Diagram for Priority Queue — Architecture plate65

Executive brief

Priority Queue fits when Letting urgent work bypass routine backlog. Mechanism: Assign priority classes and schedule higher priority jobs first or with weighted fairness. Use it for Support workflows, incident actions, paid tiers, real-time notifications. The toll: Low-priority starvation and priority inflation need controls.

Use when

Support workflows, incident actions, paid tiers, real-time notifications.

Example

Use priority queue when support workflows, incident actions, paid tiers, real-time notifications..

Review framing

Describe the pressure first, then the mechanism, then the cost. That keeps the design grounded.

Same pressure family

Execution

64Work Queue 66Fan-Out / Fan-In