What metrics available for EC2 instances?
CPU
Disk
Network
Status Check (instances and host level (vm and host))
Cloudwatch events
help you respond to changes in AWS resources
ex invoke Lambda function
Cloudwatch Logs
let you monitor instances at the application level (apache logs, kernel logs, etc)
requires agent installed on instance
Length of standard monitoring
5 minutes
Length of detailed monitoring
1 minute
Main things to do with CloudWatch
Create: dashboards alarms events logs
CloudWatch vs Cloud Trail
Cloudwatch for logging, monitoring
Cloudtrail for auditing accounts