"Current Reservation %" calculation in the RDS Instance Asset report
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"Current Reservation %" calculation in the RDS Instance Asset report

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Article ID: 283755

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Updated On: 03-21-2025

Products

CloudHealth

Issue/Introduction

"Current Reservation %" column in the RDS Instance Asset report (https://apps.cloudhealthtech.com/assets/aws/rds/instances) is computed based on the number of hours that are 'Reserved Instance Hours' out of the 'Total Hours' the instance has ran in the current month.

Current Reservation % = (Reserved Instance Hours / Total Hours)

Resolution

You can find the 'Reserved Instance Hours' and 'Total Hours' numbers that are used in the calculation in the Usage RDS Instance Hours report: 

https://apps.cloudhealthtech.com/reports/usage/rds/instance-hours 

The percentage should update whenever the instance metrics report is updated.  Expect the percentage to update throughout a given day.