You are refactoring an Amazon EC2 based application to use several AWS Lambda functions. During testing you realize some of the test events are failing. However, you are unsure which functions are failing and why.What services can you use to identify and troubleshoot the functions that are failing?Use the Amazon CloudWatch Lambda Insights Multi-Function dashboard to identify and troubleshoot the failing functions.Use Amazon CloudWatch metrics to identify the failing functions and CloudWatch Logs to troubleshoot the function output.Use AWS X-Ray to analyze the Amazon CloudWatch metrics and logs to identify and troubleshoot the failing functions.Use AWS CloudTrail metrics to identify the failing functions and CloudTrail logs to analyze the function output.
Question
You are refactoring an Amazon EC2 based application to use several AWS Lambda functions. During testing you realize some of the test events are failing. However, you are unsure which functions are failing and why.What services can you use to identify and troubleshoot the functions that are failing?Use the Amazon CloudWatch Lambda Insights Multi-Function dashboard to identify and troubleshoot the failing functions.Use Amazon CloudWatch metrics to identify the failing functions and CloudWatch Logs to troubleshoot the function output.Use AWS X-Ray to analyze the Amazon CloudWatch metrics and logs to identify and troubleshoot the failing functions.Use AWS CloudTrail metrics to identify the failing functions and CloudTrail logs to analyze the function output.
Solution
You can use Amazon CloudWatch Lambda Insights Multi-Function dashboard to identify and troubleshoot the failing functions. This service provides a centralized view of your Lambda functions' performance and operational health.
You can also use Amazon CloudWatch metrics to identify which functions are failing. CloudWatch metrics provide data about the performance of your systems, which you can use to analyze patterns, identify bottlenecks, and understand how your system is performing over time.
To troubleshoot the function output, you can use CloudWatch Logs. These logs record the events that happen in your function, which can help you understand what went wrong.
AWS X-Ray is another service you can use. It provides insights into the behavior of your applications, helping you understand how they are performing and where bottlenecks are occurring. You can use X-Ray to analyze the CloudWatch metrics and logs to identify and troubleshoot the failing functions.
Finally, AWS CloudTrail metrics can be used to identify the failing functions. CloudTrail logs, on the other hand, can be used to analyze the function output. These logs record the API calls made on your account and deliver log files to you. The recorded information includes the identity of the API caller, the time of the API call, the source IP address of the API caller, the request parameters, and the response elements returned by the AWS service.
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