AWS Certified Data Analytics Specialty 2021 – Hands-On - Lambda Costs, Promises, and Anti-Patterns

The video tutorial explains AWS Lambda's pricing model, highlighting its generous free tier and pay-as-you-go structure. It covers Lambda's high availability, scalability, and performance guarantees, including automatic retries and caching. The tutorial discusses the 15-minute timeout limit and suggests using EC2 for longer processes. It addresses anti-patterns and workarounds, such as chaining functions for extended processing. The video also clarifies Lambda's limitations for dynamic websites and its stateless nature, recommending DynamoDB or S3 for state management.

What is the cost of exceeding the free tier of 1,000,000 requests per month on AWS Lambda?

• $0.10 per million requests

• $0.30 per million requests

• $0.20 per million requests

• $0.40 per million requests

What is the maximum execution time allowed for a single AWS Lambda function?

• 15 minutes

• 30 minutes

• 10 minutes

• 20 minutes

How can you handle processing tasks that exceed the 15-minute limit in AWS Lambda?

• Use a different AWS region

• Use a larger instance type

• Increase the timeout setting

• Chain multiple Lambda functions

Why is AWS Lambda not recommended for generating entire HTML pages dynamically?

• It is stateless and not designed for dynamic content generation

• It lacks the necessary computing power

• It is too expensive

• It cannot handle concurrent requests

Which AWS services can be used to manage state information for Lambda functions?

• Amazon RDS and S3

• DynamoDB and S3

• Amazon EC2 and Cloudfront

• AWS Glue and Redshift