How to use AttributeHierarchyOptimizedState property with Primary Key of the Dimension?

I'm reading the article about increasing SSAS performance. http://www.mssqltips.com/sqlservertip/2567/ssas--best-practices-and-performance-optimization--part-3-of-4/
I would like to increase processing performance of Customer Dimension with CustomerID as the primary key. It is a good practice to set AttributeHierarchyOptimizedState to NotOptimized to CustomerID attribute. What are the implications to the query
performance?
Please advise.

Hi,
   Since the CustomerID is the primary key (surrogate key) and the usual practice is to hide the surrogate keys in client tools. It is the best practice to set the AttributeHierarchyOptimizedState to NotOptimized to CustomerID attribute. As specified
in the article SSAS will not create Bitmap indexes on top of that attribute and it saves a lot of processing time and decreases the cube size.
Regards,
Venkata Koppula

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