Get full access to Effective DevOps with AWS and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Monitoring EC2

EC2 instances are created on top of a hypervisor, which is controlled by AWS. Thanks to the hypervisor, AWS is able to extract several metrics and feed them into CloudWatch metrics. This includes CPU utilization, network utilization (NetworkIn and NetworkOut), and disk performance (DiskReadOps, DiskWriteOps, DiskReadBytes, DiskWriteBytes).

Those metrics are available in the EC2 console when you select your instances and also in the CloudWatch metrics menu:

By default, the resolution of those metrics is five minutes. This means that new data points for your EC2 instances are collected every five minutes. If you have critical ...

Get Effective DevOps with AWS now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now