Designing Effective Aggregations in Analysis Services 2008
Building aggregations is one of the most important ways of improving query performance in Analysis Services, but simply running the Aggregation Design Wizard doesn't always result in useful aggregations being built. This session shows the steps you need to go through in order to build aggregations that are actually going to be used by the queries that you're running.
Chris Webb is an independent consultant specialising in Analysis Services, MDX, PowerPivot and DAX. He is a co-author of "SQL Server Analysis Services 2012: The BISM Tabular Model",
"Expert Cube Development with SQL Server 2008 Analysis Services", and "MDX Solutions with Microsoft SQL Server Analysis Services 2005 and Hyperion Essbase", and blogs at http://cwebbbi.wordpress.com/