performance benchmarking for 300+ column report

2 posts, 0 answers
  1. Piyush Bhatt
    Piyush Bhatt avatar
    166 posts
    Member since:
    Nov 2007

    Posted 14 May 2014 Link to this post


    We have a report with 300+ columns and there are 3000 records. The report takes over 15 minutes to render into Excel. (We are not talking about time from server to browser here). This is on local machine.

    Anyone has idea is whether this slowness is due to high number of columns? We checked the SP that it returns the data very fast. 

    Piyush Bhatt

  2. Hinata
    Hinata avatar
    146 posts
    Member since:
    Dec 2013

    Posted 19 May 2014 in reply to Piyush Bhatt Link to this post

    Hi Piyush,

    Number of report items and number of returned data rows from the data source definitely affects the load time of the report. It doesn't matter that the data is retrieved for less time from your database, it still needs to be processed by the reporting engine.
    You can optimize your report layout and the data you display by following the suggestions in Performance Considerations
    Also Excel has some specifics and in order to export to Excel faster, you need to perfectly align all of your report items (e.g. by using a Table) so it does not generate extra columns/rows. Please check Excel Rendering article -
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