Introduction
Lambda costs scale with invocations, duration, and memory allocation. Optimize all three for significant savings.
Right-Size Memory
# Use AWS Lambda Power Tuning tool
aws lambda invoke --function-name my-function output.json
Reduce Cold Starts
- Use provisioned concurrency for latency-sensitive functions
- Minimize package size
- Reuse connections outside the handler
Conclusion
Monitor with CloudWatch and AWS Cost Explorer to track Lambda spend.
