Lambda
Practical Lambda guides on PacketSensei: code-first articles on configuration, cost, and the AWS failure modes that show up in production.
10 articles in Lambda, newest first.
5 Critical Mistakes to Avoid with AWS Lambda Durable Functions
Avoid five critical AWS Lambda Durable Functions mistakes, from non-deterministic code and missing IAM permissions to unqualified ARNs and SDK drift.
AWS Lambda Durable Functions
AWS Lambda Durable Functions use a checkpoint-and-replay model to build stateful, multi-step workflows that suspend up to a year with no idle compute cost.
AWS Lambda Durable Functions vs Step Functions
See how AWS Lambda Durable Functions replace Step Functions by building a stateful order-processing workflow in code with steps, checkpoints, and waits.
AWS Lambda Managed Instances Explained
AWS Lambda Managed Instances run functions on EC2-backed capacity providers, unlocking GPUs, Graviton, Savings Plans, and a parallel runtime worker model.
Deploying Your First VPC-Backed Lambda Managed Instance
Deploy your first VPC-backed Lambda Managed Instance with a guide to dual IAM roles, networking, capacity providers, and mandatory version publishing.
How Runtime Workers Change the AWS Lambda Behavioral Model
AWS Lambda runtime workers process multiple events per instance, demanding thread-safe code and unlocking a 15-minute init phase in Lambda Managed Instances.
Leveraging GPUs and Graviton with Lambda Managed Instances
AWS Lambda Managed Instances bring GPUs, Graviton4, and EFA networking to serverless, powering AI inference and HPC workloads without managing EC2 clusters.
Monitoring and Troubleshooting Lambda Managed Instances
Monitor and troubleshoot AWS Lambda Managed Instances by handling backpressure, unhealthy execution environments, and VPC telemetry paths for logs and traces.
When to use AWS Lambda Managed Instances
AWS Lambda Managed Instances lets you apply EC2 Savings Plans to serverless compute, but its 15% management fee pays off for steady, predictable workloads.
Introduction to Amazon AWS Lambda
Learn how AWS Lambda runs event-driven code without managing servers, covering triggers, runtimes, handlers, IAM roles, and pay-per-use millisecond billing.