Amazon CloudWatch monitoring can be broadly categorized into two categories, basic monitoring and detailed monitoring, which are described here:
- Basic monitoring: Basic monitoring is free and collects data at 5-minute intervals. By default, when you provision AWS resources, all AWS resources except ELB and RDS start with a basic monitoring mode. ELB and RDS monitor the resources at 1-minute intervals. For other resources, you can switch the monitoring mode to detailed monitoring.
- Detailed monitoring: Detailed monitoring is chargeable and makes data available at 1-minute intervals. Currently, AWS charges $0.015 per hour, per instance. Detailed monitoring does not change the monitoring on ELB and RDS, which, by default, collects data at 1-minute intervals. Similarly, detailed monitoring does not change the EBS volumes, which are monitored...