Answer-first summary for fast verification
Answer: Utilizing the reuse of the runtime environment
The primary advantage of initializing the AWS SDK outside the Lambda handler function is to take advantage of the runtime environment reuse. By doing this, the SDK only needs to be initialized once, which can improve the performance and efficiency of the Lambda function, as subsequent invocations can reuse the already-initialized SDK.
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What is the primary advantage of initializing the AWS SDK outside the Lambda handler function in a serverless application?
A
Enhancing code readability and following stylistic conventions
B
Utilizing the reuse of the runtime environment
C
Ensuring superior error management
D
Generating a unique SDK instance per invocation