Hi Tech Outfit,
Although Reporting Services can use all available memory, you can override default behavior by configuring an upper limit on the total amount of memory resources that are allocated to Reporting Services server applications. You can also set thresholds that
cause the report server to change how it prioritizes and processes requests depending on whether it is under low, medium, or heavy memory pressure.
Please refer to Configuring Available Memory for Reporting Services:
http://msdn.microsoft.com/en-us/library/ms159206(v=sql.100).aspx.
Reporting Services Performance Optimizations:
http://sqlcat.com/sqlcat/b/technicalnotes/archive/2009/01/14/reporting-services-performance-optimizations.aspxv.
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Thanks.
Maggie Luo
TechNet Community Support
