I want to get a better sense of how I'm using my Reserved Instances—is there a report that can help with that?

Each Reserved Instance (RI) has its own region, Availability Zone, instance type, tenancy, offering type, and platform. You get the best discount when you use instances that match the terms of your active Reserved Instances, and when you have enough active Reserved Instances to cover all the instance-hours used by their corresponding instances.

The a pre-configured RI Utilization report in AWS Cost Explorer can help you get a better sense of the use you're making of your Amazon EC2 Reserved Instances.

To use the RI Utilization report, follow the instructions at Using Preconfigured Reports and select RI Utilization in the Cost Explorer dashboard.

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Published: 2016-01-29

Updated: 2018-02-08