ReportViewer.aspx performance from reportserver URL takes significantly longer than the same request from SSRS Report Manager - by Piquet

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ID 698266 Comments
Status Closed Workarounds
Type Bug Repros 2
Opened 10/31/2011 7:56:42 PM
Access Restriction Public

Description

I have a report that includes several row groups on a tablix.

When running this report from Report Manager within Internet Explorer 8.0 the report takes seconds to render to the user (around 7 seconds in one particular test case).

When running this same report with the same parameters within Internet Explorer 8.0 but using the ReportViewer.aspx URL (i.e. via http://server/ReportServer/pages/ReportViewer.aspx?... ) the report takes over 1 minute to render!

We need to be able to call up this report via ReportViewer.aspx because the report call (and relative parameters) are passed to the URL from an application. Currently this performance discrepancy is a showstopper for us.
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Posted by Microsoft on 4/12/2013 at 8:46 AM
Thank you for filing this issue. You may try to use the latest version of the Report Viewer Runtime to see if it addresses the issue (http://www.microsoft.com/en-my/download/details.aspx?id=35747). If it does not, and this issue affects a production deployment, please contact Customer Support (again).
Posted by Piquet on 1/22/2012 at 2:23 PM
G'day Microsoft,

FYI the following Tech Support case was raised regarding this issue: MS-Solve Case 111111421327152.

Investigations & testing conducted to date for this Case indicate that the performance issue is client-side (not server) related, and is somehow related to the presence of the Report-Viewer TOOLBAR on the report (the performance degradation does not occur if the toolbar is disabled in reprot Viewer by adding "&rc:toolbar=false" to the URL querystring.

Posted by Microsoft on 1/20/2012 at 2:42 PM
Thank you for the feedback according to our understanding the performance should be identical between the Report Manager and using the Reporting Services.aspx URL. The issues may come from specific environment; may we suggest checking the following:
1.    Please check if the server assemblies’ versions are the same as the version of Report Manager?
2.    Is the browser running in quirks mode for both sites?
3.    It may be a product bug as well, if you would like to provide us the RDL. We can try to look for rendering mitigation.

If none of these things suggest a problem, recommend contacting CSS to help identify the issue in the environment.

Best Regards,
SQL Reporting Services.