Too Long; Didn't Read
Yan Cui is an AWS Serverless Hero and author of Production-Ready Serverless. He has published a new application to the Serverless Application Repository. He explains how to use Lambda functions to record custom metrics asynchronously. He also explains how you can use CloudWatch Logs to report custom metrics to CloudWatch logs. The app can be deployed via the AWS console here, by clicking the Deploy button and follow the instructions. You can also deploy it as part of a CloudFormation stack with AWS SAM: You need to first add the following Transform.
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