Once an Amazon RDS instance is created as per the present need, it is very important to observe its performance with constantly changing business requirements and application loads. It is possible to monitor the instance's CPU utilization, DB connections, free storage space, free memory, and many other parameters. It helps to identify bottlenecks and will also give you the opportunity to minimize monthly billing by reducing the resource size if it is underutilized.
An alarm can be configured to take action at a specified threshold. For example, if CPU usage is above 70% for a specified consecutive time period, then send SNS notifications to the DBA. Such an alarm can be created either from the CloudWatch dashboard or from the Amazon RDS dashboard.
To create a CloudWatch alarm from the Amazon RDS dashboard, perform the following steps:
- Go to the Amazon...
