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Priority Queue
Prioritize requests so that higher priority requests are processed more quickly
Intent & Description
The Priority Queue pattern prioritizes requests sent to services so that requests with a higher priority are processed more quickly. Messages are assigned priority levels, and higher-priority messages are processed before lower-priority ones. This ensures critical work gets the attention it needs.
Real-world Use Case
Use when different requests have different importance levels or when you need to ensure critical work is processed first.
Source
Advantages
- Ensures critical work prioritization
- Flexible priority assignment
- Resource optimization
- SLA support for different request types
Disadvantages
- Priority starvation for low-priority items
- Complex queue management
- Requires priority assignment logic