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aws-lambda-managed-instances

Evaluate, configure, and migrate workloads to AWS Lambda Managed Instances (LMI). Triggers on: Lambda Managed Instances, LMI, capacity provider, multi-concurrency Lambda, dedicated instance Lambda, EC2-backed Lambda, cold start elimination, Graviton Lambda, instance type for Lambda, scheduled scaling for LMI, Lambda cost optimization with Reserved Instances or Savings Plans. Also trigger when users describe high-volume predictable workloads seeking cost savings, want to scale LMI capacity on a schedule, or compare Lambda vs EC2 for steady-state traffic. For standard Lambda without LMI, use the aws-lambda skill instead.

plugins/aws-serverless/skills/aws-lambda-managed-instances/SKILL.md

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# AWS Lambda Managed Instances (LMI)

Run Lambda functions on current-generation EC2 instances in your account while AWS manages provisioning, patching, scaling, routing, and load balancing. Combines Lambda's developer experience with EC2's pricing and hardware options.

For standard Lambda development, see [aws-lambda skill](../aws-lambda/). For SAM/CDK deployment, see [aws-serverless-deployment skill](../aws-serverless-deployment/).

## When to Load Reference Files

- **Cost comparison**, **pricing analysis**, **Lambda vs LMI cost**, **Savings Plans**, or **Reserved Instances** -> see [references/cost-comparison.md](references/cost-comparison.md)
- **Instance types**, **memory sizing**, **vCPU ratios**, **scaling tuning**, **scheduled scaling**, or **capacity provider config** -> see [references/configuration-guide.md](references/configuration-guide.md)
- **Thread safety**, **concurrency model**, **code review checklist**, **Powertools compatibility**, or **multi-concurrency readiness** -> see [references/thread-safety.md](references/thread-safety.md)
- **Before/after code examples**, **runtime-specific migration** (Node.js, Python, Java, .NET), or **connection pooling** -> see [references/migration-patterns.md](references/migration-patterns.md)
- **IAM roles**, **VPC setup**, **CLI commands**, **SAM template**, **CDK example**, or **scheduled scaling setup (EventBridge Scheduler)** -> see [references/infrastructure-setup.md](references/infrastructure-setup.md) and [scripts/setup-lmi.sh](scripts/setup-lmi.sh)
- **Errors**, **throttling**, **debugging**, **stuck deployments**, **tuning configuration**, or **adjusting after deployment** -> see [references/troubleshooting.md](references/troubleshooting.md)