Storage Modes and Caching in SSAS
The cube metadata is always stored in the SSAS server, but as an administrator, you can control the storage locations of the cube data and any aggregations. MOLAP(Multidimensional OLAP)-Metadata, Aggregation and Data are stored in SSAS. Data is stored in a compressed format on the server. Storage size is 20-25% of the relational data. […]