Microsoft SQL Server Analysis Services is an industrial strength OLAP engine that is fast and scalable. With CALUMO it is easy to use too!
I believe it's important to understand your OLAP engine so you can properly control it when you need to. This document gives you that power. The document describes what's under the hood so you can fix problems now. Peoples negative perceptions are easily gained but positive perceptions are hard to earn back.
Summary: This white paper describes how operations engineers can test, monitor, capacity plan, and troubleshoot Microsoft SQL Server Analysis Services OLAP solutions in SQL Server 2005, SQL Server 2008, and SQL Server 2008 R2.
Get the white paper here.