When should I use the RI Optimizer versus RI Analyzer?

Products

• CloudHealth

Issue/Introduction

Use the RI Optimizer to evaluate your AWS instance usage and determine if you can benefit from the use of reserved instances.  The Optimizer analyzes current and historical on-demand usage of instances on a hourly basis.  It then displays high-level and detailed reserved instance purchase recommendations.  Purchases are recommended and made in the form of quotes that you can modify, delete, or execute.

Use the RI Analyzer to get an overview of what reserved instance usage looks like in your environment.  The information reported is based on analyzing hourly reserved usage based on your Amazon Detailed Billing Record.  The Analyzer displays the number of instances within the environment, the number of reservations, the percentage of hourly instance usage in the month that was covered by a reservation, and the total savings per month from the usage of reserved instances.