Lambda

Question 1

What is the timeout for Lambda functions ?

Answer 1

The default is 3 seconds and the max is 15 minutes.

Charge is based on the time the function runs .

Question 2

How does lambda access information inside private subnets?

Answer 2

It needs additional information like the Private subnet Id and Security group Id based on this it creates an Elastic Network Interface (ENI)

Question 3

What is the limit for concurrently executing functions.

Answer 3

Default limit is 1000 functions

Question 4

What is AWS SAM

Answer 4

AWS SAM is a specification that prescribes the rules for expressing server less applications on AWS

Question 5

What is XRay?

Answer 5

X-Ray is an AWS service that can be used to detect, analyse and optimise performance issues with Lambda applications

Question 6

Pricing model for AWS lambda functions

Answer 6

Number of requests. First 1 million are free then $0.20 per 1 million Duration. Calculated from the time your code begins execution until it returns or terminates. Depends on the amount of memory allocated to a function