AWS Certified Solution Architect – Points to remember (CloudWatch)

1. Memory Usage of EC2 instance is not monitored by default. Custom checks must be created.
   CPU Usage, Disk Read operations, Network In and Estimated charges are monitored by default.
2. By default, metrics are stored at 1-minute resolution in CloudWatch. Default Granularity is 1 minute.
3. Cloudwatch store the logs for terminated EC2 and EBS volumes for 15 Months by default.
4. Retention period of the monitored logs depend on the data points.