Pre-warmed Capacity Plan

Data artifactInfrastructureInfrastructurearc:PrewarmedCapacityPlan

A serverless hosting plan that keeps pre-warmed execution environments running so invocations never incur cold starts, optionally with private-network integration and longer timeouts.

Responsibility. Guarantees warm capacity for latency-sensitive functions.

Also known as: Premium Plan, Provisioned Concurrency

Variant of Serverless Hosting Plan abstract

When to choose. Choose for latency-sensitive agents requiring consistent performance; avoid enabling it for all functions, since it pays for idle capacity and removes serverless's main cost benefit.

Direct neighbourhood (hover for relationship types)

Relationships

alternative to variability

Design guidance

SHOULD NOT enable provisioned concurrency across all regions and functions when cold starts only affect infrequently used functions.

Classification

Patterns: Pre-warming
Technologies: Azure Functions Premium PlanAWS Lambda Provisioned Concurrency
Quality attributes: Reliability (ISO/IEC 25010 | NIST AI RMF: valid and reliable)
Risks mitigated: Cold-start latency

Sources

Ch4.2: T. Nguyen, "Deployment and Scaling," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 4.2. ISBN: 9798244538229.