How a noisy neighbor impacts shared capacity
Shared capacity is used for deployed semantic models and reports when not using a dedicated capacity. Dedicated capacities are Premium, Embedded, or Fabric licenses. If you are using a Power BI Pro or Premium Per User license for the desktop and have not purchased a dedicated capacity, you are deploying to the service that is considered shared. A shared capacity is based on the idea of a multitenant system that uses pooled resources among users.
The term noisy neighbor is used for services that share tenant resources where one tenant uses a disproportionate amount of those resources. This noisy neighbor degrades the performance of other tenants using the same pool of resources. Power BI allows this for companies that do not purchase or use capacities, which in turn saves money. Even if a company has a capacity, the workspace must be assigned to that capacity; otherwise, it uses a shared capacity. Figure 13.1 shows the license mode for...
