DVA-C02 · Question #733
A development team uses AWS Lambda functions with reserved concurrency to support an application that processes data from an Amazon DynamoDB table. During peak hours, the development team observes a s
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Question
A development team uses AWS Lambda functions with reserved concurrency to support an application that processes data from an Amazon DynamoDB table. During peak hours, the development team observes a slowdown in the application. Some function invocations fail to run. During less busy hours, the application runs smoothly, and all the Lambda functions run as expected. The development team must investigate the root cause of the issue. Which Lambda function metrics should the development team check to meet this requirement?
Options
- ACheck the Duration and UnreservedConcurrentExecutions metrics in AWS CloudTrail.
- BCheck the Invocations and ProvisionedConcurrencyUtilization metrics in AWS CloudTrail.
- CCheck the OversizedRecordCount and ProvisionedConcurrentExecutions metrics in Amazon
- DCheck the Throttles and ConcurrentExecutions metrics in Amazon CloudWatch.
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