What is resource-based cloud scaling?

Resource-based cloud scaling, as implemented by Upsun, offers a provision-based infrastructure model allowing developers to allocate specific CPU and RAM resources to individual services, thereby avoiding issues like "resource stranding" and "bill shock" commonly associated with elastic and fixed-tier models. Unlike traditional platforms, Upsun offers granular vertical scaling through precise user-defined configurations, allowing for predictable costs and performance tailored to specific service needs such as PostgreSQL or Redis. This model mitigates the financial risks of over-provisioning in fixed-tier models and unexpected costs in elastic models, by configuring resources in the .upsun/config.yaml file. It provides the benefits of a PaaS with the financial control of an IaaS, enabling cost-efficient management of resources at the service level. This approach ensures predictable auto-scaling within user-defined parameters, offering a managed platform experience where costs are determined by user settings rather than traffic fluctuations, thus aligning with strategic Total Cost of Ownership (TCO) and simplifying financial operations.

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