Amazon EC2 | Amazon CloudWatch

Question 1

Where can I learn more about EFS?

Amazon CloudWatch

Amazon EC2 | Compute

Answer 1

You can visit the Amazon EFS FAQ page.

Question 2

What is the minimum time interval granularity for the data that Amazon CloudWatch receives and aggregates?

Amazon CloudWatch

Amazon EC2 | Compute

Answer 2

Metrics are received and aggregated at 1 minute intervals.

Question 3

Which operating systems does Amazon CloudWatch support?

Amazon CloudWatch

Amazon EC2 | Compute

Answer 3

Amazon CloudWatch receives and provides metrics for all Amazon EC2 instances and should work with any operating system currently supported by the Amazon EC2 service.

Question 4

Will I lose the metrics data if I disable monitoring for an Amazon EC2 instance?

Amazon CloudWatch

Amazon EC2 | Compute

Answer 4

You can retrieve metrics data for any Amazon EC2 instance up to 2 weeks from the time you started to monitor it. After 2 weeks, metrics data for an Amazon EC2 instance will not be available if monitoring was disabled for that Amazon EC2 instance. If you want to archive metrics beyond 2 weeks you can do so by calling mon-get-stats command from the command line and storing the results in Amazon S3 or Amazon SimpleDB.

Question 5

Can I access the metrics data for a terminated Amazon EC2 instance or a deleted Elastic Load Balancer?

Amazon CloudWatch

Amazon EC2 | Compute

Answer 5

Yes. Amazon CloudWatch stores metrics for terminated Amazon EC2 instances or deleted Elastic Load Balancers for 2 weeks.

Question 6

Does the Amazon CloudWatch monitoring charge change depending on which type of Amazon EC2 instance I monitor?

Amazon CloudWatch

Amazon EC2 | Compute

Answer 6

No, the Amazon CloudWatch monitoring charge does not vary by Amazon EC2 instance type.