Both scale-up and scale-out options are available to Power BI Report Server deployments. In a scale-up scenario, additional CPU cores can be provisioned via Power BI Premium capacity or an existing SQL Server Enterprise Edition with Software Assurance agreement. For example, if 16 cores were obtained via Power BI Premium P2 SKU, an additional 8 cores could be purchased via a P1 SKU. Additionally, particularly if import mode Power BI datasets are used, additional RAM can be installed on report servers.
In a scale-out deployment, multiple instances of Power BI Report Server are installed on separate machines. These instances share the same Report Server Database and serve as a single logical unit exposed to business users via the web portal.
In the following diagram of a scale-out deployment, business user report requests are distributed between two...
