Symptoms
When the number of concurrent users increases in Microsoft SQL Server 2008 R2 Analysis Services (SSAS 2008 R2), the execution time of each discover MDSCHEMA_CUBES request increases. You may experience poor performance in SSAS 2008 R2.
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 13 for SQL Server 2008 R2 SP2 /en-us/help/2967540
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
