Working with CloudWatch
CloudWatch is the central monitoring and alerting repository for all AWS services. As such, it is extremely powerful and features many advanced tools and processes, which we do not need to know for the Database Specialty exam. However, given the usefulness of many of these additional features, there is a recommended book in the Further reading section for anyone wanting to know more beyond the scope of this chapter.
CloudWatch can be used to monitor any of your databases running within AWS, not just RDS. It can also be used to monitor databases running on-premises by installing the CloudWatch agent within your data center.
The main page of CloudWatch is Dashboards. You can create your own dashboards to show the metrics that are the most useful to you across all AWS services. For example, if you had an application running on EC2 with a load balancer and an RDS instance, you could create a dashboard that monitored the CPU and memory of the EC2 instances...