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FIX: Performance decreases after you move a large report to SQL Server 2008 R2 Reporting Services
Article ID: 2506799 - View products that this article applies to.
Microsoft distributes Microsoft SQL Server 2008 R2 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release.
Consider the following scenario:
Note The report-creation time is logged in the runtime logged data for the report.
If you disable the toolbar of the Report Viewer control by specifying the following parameter in the URL, the performance improves significantly:
This issue occurs because the HTML renderer of SSRS generates many <div> elements when you view the report in Internet Explorer.
Cumulative update information
The fix for this issue was first released in Cumulative Update 7. 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:
2489376Note 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/2489376/ )Cumulative Update package 7 for SQL Server 2008 R2
(http://support.microsoft.com/kb/981356/ )The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 was released
To work around this issue, use one of the following methods:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about some similar performance issues, click the following article titles to view the articles in the Microsoft Knowledge Base:
FIX: It takes a long time to open a SQL Server 2008 R2 Reporting Services report that contains many parameter values in Internet Explorer
(http://support.microsoft.com/kb/2276203 /LN/ )
A Beta version of an update rollup package is available for the .NET Framework 4
FIX: Performance decreases after you move a report that contains a large multi-select drop-down parameter list to SQL Server 2008 R2 Reporting ServicesFor more information about report server runtime log, visit the following Microsoft websites:
General information about report server runtime log
General information about querying the runtime log data