A data analytics company processes large volumes of data using AWS Lambda. The Lambda functions are packaged as container images and stored in Amazon ECR. The company wants to optimize the execution time of these functions. Which feature should they enable?

Answer options:

AWS Lambda SnapStart

Amazon ECR image scanning

AWS Fargate

Provisioned Concurrency

How to approach this question

Identify the feature that eliminates cold starts.

Full Answer

D.Provisioned Concurrency✓ Correct

Provisioned Concurrency keeps functions initialized and ready to respond in double-digit milliseconds. This is the best way to optimize execution time (by eliminating cold starts) for Lambda functions, including those packaged as container images.

Common mistakes

Choosing SnapStart, which is currently only for Java managed runtimes, not container images.

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