Unités de capacité Fabric : distinguer calcul, licences et prix
Comprenez les CU et comparez des charges sans considérer un SKU comme une garantie de nombre d’utilisateurs.
Article de référence en anglais
What the number tells you
A Fabric capacity supplies a pool of compute resources for assigned workloads. F-SKU names identify capacity-unit sizes: F2 has two CUs and F64 has 64. That ratio does not promise that every query runs 32 times faster or that a fixed number of users will fit. Workload shape, concurrent operations, data models, and the service's resource rules influence the outcome.
A small budgeting exercise
Consider two hypothetical teams that both choose the same SKU. One refreshes a compact model overnight and serves a few morning queries. The other launches overlapping transformations while many readers open complex reports. Their capacity labels match, but their contention patterns can differ. Record a time-based workload schedule rather than adding a user count to a storage volume and calling the result a measured CU requirement.
Keep entitlements separate
Power BI licensing and compute sizing answer different questions. Organizational free-license viewers need appropriately assigned content and access on F64 or higher capacity. Paid F2 or higher can be eligible for Copilot, subject to tenant, region, and feature requirements. A larger capacity alone does not grant every permission or satisfy every licensing condition.
Verify before scaling
Collect operation-level evidence with the Capacity Metrics app and inspect the periods when user-facing behavior fails. Compare a baseline period with a representative peak, including refreshes and background work. Check whether a model or query change addresses the bottleneck before simply increasing the tier. Treat prices shown in this app as reference assumptions and verify the actual region, currency, and offer. A useful decision record explains which observed constraint the selected capacity is expected to address and how the team will test that expectation.