Each entry explains the waste, the billing model behind it, how to detect it and how to fix it.
157 inefficiencies
AWS EC2CER-0327
Organizations frequently pursue aggressive Spot Instance adoption based on headline discount percentages - up to 90% off On-Demand pricing - without evaluating the effective cost per unit of work completed. While Spot pricing can deliver...
AWS EC2CER-0324
AWS compute services charge the full published On-Demand rate when no commitment-based discount - such as a Savings Plan (SP) or Reserved Instance (RI) - is in effect. On-Demand pricing provides maximum flexibility, but it is also the most...
Azure FunctionsCER-0315
Azure Function apps can persist long after the applications or workflows they supported have been retired - particularly in development, testing, and experimentation environments where cleanup is often overlooked. Even when no functions...
Azure Virtual Machine Scale SetsCER-0314
Azure Virtual Machine Scale Sets can operate in two modes: manual scaling with a fixed instance count, or autoscaling with dynamic instance counts that respond to demand. When a scale set is configured with manual scaling, it maintains the...
Azure App ServiceCER-0306
Azure App Service Plans define the compute resources allocated to web applications and are billed continuously based on their pricing tier - regardless of whether the hosted apps are actively serving traffic. In non-production environments...
AWS Savings PlansCER-0304
When organizations purchase AWS Savings Plans during periods of elevated AI inference demand - such as experimentation phases, feature launches, or early adoption surges - the committed hourly spend may significantly exceed what is needed...
Azure App Service PlansCER-0291
An App Service Plan is sized larger than required for the applications it hosts. Plans are often provisioned conservatively to handle anticipated peak demand and are not revisited after workloads stabilize. Because pricing is tied to the...
AWS LambdaCER-0296
A function has steady, high-volume traffic (or predictable load) but continues running on default Lambda pricing, where costs scale with execution duration. Lambda Managed Instances runs Lambda on EC2 capacity managed by Lambda and...
AWS Savings PlansCER-0285
Savings Plans are purchased within the final days of a calendar month, reducing or eliminating the ability to reverse the purchase if errors are discovered. Because the refund window is constrained to both a 7-day period and the same...
GCP GKECER-0287
Workloads are constrained to run only on Spot-based capacity with no viable path to standard nodes when Spot capacity is reclaimed or unavailable. While Spot reduces unit cost, rigid dependence can create hidden costs by requiring standby...
AWS EKSCER-0298
Kubernetes Jobs or CronJobs running on EKS Fargate leave completed or failed pod objects in the cluster indefinitely. Although the workload execution has finished, AWS keeps the underlying Fargate microVM running to allow log inspection...
GCP Compute EngineCER-0282
Workloads with predictable, long-running compute usage continue to run entirely on on-demand pricing instead of leveraging Committed Use Discounts. For stable environments, such as production services or continuously running batch...
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