Hands-On Serverless Computing

CloudWatch Logs

With the help of AWS Lambda functions, you can perform custom analysis on Amazon CloudWatch logs with Log Subscriptions. Amazon CloudWatch Log Subscriptions provide a near-real-time feed of events and deliver it to your AWS Lambda functions for processing, loading into other systems such as Elasticsearch or Splunk, and analyzing the log data itself. You can find more information about Amazon CloudWatch logs at https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/WhatIsCloudWatchLogs.html.

Here is a screenshot of the AWS Lambda configuration for Amazon CloudWatch logs: