Pattern 64 / EXECUTE

Work Queue

Use this when Distributing background work across many workers.

Pressure
Distributing background work across many workers
Mechanism
Store jobs durably, lease work to workers, retry failures, and track terminal states
Toll
Requires backpressure, poison-message handling, and idempotent jobs
Architecture plate64
Diagram for Work Queue
Executive brief

Work Queue fits when Distributing background work across many workers. Mechanism: Store jobs durably, lease work to workers, retry failures, and track terminal states. Use it for Email, image processing, billing, imports, webhooks. The toll: Requires backpressure, poison-message handling, and idempotent jobs.

Use when

Email, image processing, billing, imports, webhooks.

Example

Use work queue when email, image processing, billing, imports, webhooks..

Review framing

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

Same pressure family

Execution

65Priority Queue66Fan-Out / Fan-In
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