AWS Lambda Cost Optimization: Memory, arm64 and Retries
AWS Lambda cost optimization with us-east-1 prices: memory tuning, arm64, timeouts and retries, batching, provisioned concurrency and when to move off.
Articles on Serverless
Everything on the Kostrix blog tagged Serverless, newest first.
DynamoDB Cost Optimization: Capacity, Storage and Indexes
DynamoDB cost optimization with us-east-1 prices: on-demand vs provisioned break-even, Standard-IA, reserved capacity, GSI projections, TTL and PITR.