- Health checks are only for public resources
- Help with automated DNS failover
Possible health checks
- monitor an endpoint
- From 15 different global health checkers ie regions based on 200 response; if 18 percent is healthy then its going to be healthy
- Also can be setup based on text for the first 5120 bytes
- monitor other health checks
monitor a cloudwatch alarm - Gives you full control
- If you have some resources such as DynamoDB, Ec2 instances configured to have alarm based on its resource utilization, we can configure to monitor the alarm for health check
Private hosted zones
- Cloudwatch metric → cloudwatch → alarm ← Route53 health checker
Configuring health checks
