How to figure out cost per tenant in multi-tenant environment

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We manage multi-tenant environments accommodating over 100+ customers, with each customer's usage distributed across various AWS accounts and not a single account per customer. Our cost analysis has identified the primary cost drivers, including EC2 instances, Containers, EBS volumes, EFS, S3, and RDS, among others. Our current challenge involves determining the individual cost per tenant. While we've implemented TAGS to enhance cost tracking, but certain factors such as shared RDS schemas, IOPS, and I/O operations are gray areas.

Are there any solutions available to facilitate per-tenant cost visibility? Our ultimate goal is to identify which tenants are impacting our margins.

2 Answers
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You can use AWS Cost Categories to map your AWS costs and usage into meaningful categories. With cost categories, you can organize your costs using a rule-based engine. The rules that you configure organize your costs into categories. For shared costs, you can use Split Charge Rules, a feature of Cost categories to split the costs using fixed percentage, equal or proportionately. https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/splitcharge-cost-categories.html

For usage based cost allocations, you can use Split Cost Allocation Data, a feature of Cost Management that allows you to split the charge compute costs of ECS and Batch workloads. https://docs.aws.amazon.com/cur/latest/userguide/split-cost-allocation-data.html

AWS
answered a year ago
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  • Hi Robert, the AWS Application Cost Profiler will be discontinued and is therefore no longer an option.

  • That's a bummer that the Cost Profiler is being discontinued. I didn't see the discontinue notice until Luca mentioned it here. Anyone know if there will be a replacement?

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