lambda.txt

Exam Tips
- Lambda scales out (not up) automatically
- Lambda functions are independent
- Lambda is serverless
- Know which AWS services are serverless
- Lambda functions can trigger other lambda functions
- Lambda is event driven (runs code in response to events)
- Architecture can get complicated, AWS X-ray helps to debug
- Lambda can do things globally
- Know your triggers
--- API Gateway, Alex Skills Kit, IoT, S3, DynamoDB, Cloudwatch, Cloudfront, DynamoDB, etc.
- Code supported: JS - Java - Python, C#, C++
- Pricing: first 1 million hits -> Free. 0.20 USD per million after
- Duration: can't run more than 15 mins (was recently raised, it was 5 mins before)
- The more memory/duration you need the function running, the higher the cost