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FIX: Slow performance when an MDX query uses unary operators on parent/child hierarchy members in SSAS 2008 R2 or in SSAS 2012 if you define a scope calculation on these members and if the query accesses multiple dates in a time dimensionArticle ID: 2562753 - View products that this article applies to. On This PageSymptomsConsider the following scenario:
In this scenario, the query performs slowly. Additionally, you may receive the following error message: Executing the query ... XML for Analysis parser: The XML for Analysis request timed out before it was completed. ResolutionTo resolve this issue, apply the following hotfix. After you install the hotfix, a new property (CellByCellCalculationMode) is available for you to configure in the Analysis Services configuration file (Msmdsrv.ini). To resolve this performance issue, add this property and change the default value of CellByCellCalculationMode from 0 to 3. After you do this, the Msmdsrv.ini file should contain the following node under the <Query> section: Cumulative update informationSQL Server 2012The fix for this issue was first released in Cumulative Update 1 for SQL Server 2012. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:2679368 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 fix release. Microsoft recommends that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2679368/LN/
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Cumulative update package 1 for SQL Server 20122692828 You must apply a SQL Server 2012 hotfix to an installation of SQL Server 2012.
(http://support.microsoft.com/kb/2692828/LN/
)
The SQL Server 2012 builds that were released after SQL Server 2012 was released SQL Server 2008 R2The fix for this issue was first released in Cumulative Update 8. For more information about how to obtain this cumulative update package for SQL Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:2534352 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2534352/
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Cumulative Update package 8 for SQL Server 2008 R2 981356
(http://support.microsoft.com/kb/981356/
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The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 was releasedSQL Server 2008 R2 Service Pack 1The fix for this issue was first released in Cumulative Update 4 for SQL Server 2008 R2 Service Pack 1. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:2633146 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2633146/
)
Cumulative Update package 4 for SQL Server 2008 R2 Service Pack 12567616
(http://support.microsoft.com/kb/2567616/
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The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 1 was released StatusMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. More informationFor more information about unary operators, visit the following MSDN website: General information about unary operators For more information about the SCOPE statement, visit the following MSDN website:
(http://msdn.microsoft.com/en-us/library/ms175417(v=SQL.105).aspx)
General information about the SCOPE statement
(http://msdn.microsoft.com/en-us/library/ms145989.aspx)
PropertiesArticle ID: 2562753 - Last Review: November 19, 2012 - Revision: 5.0 Applies to
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