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AMFTF: Seeking performance optimization options

Being interested if changing the setting "Data row limit for non-delegable queries" could improve performance for delegable queries on a SharePoint list, I decided to create an app for this similar to one I create for this blog post.


I used a list with 50.000 items. It contained an (indexed) column with only 3 items containing a specific value. I filtered on that value using '='. The results were put in a collection. The query was ran 20 times with an interval of 60 seconds.


I ran the app three times, everytime with a different value for the setting 'Data row limit for non-delegable queries'.

  1. Value: 5
  2. Value: 100
  3. Value: 2000


I noticed no significant differences meaning imo this setting has no performance impact on delegable queries. O well, it was worth investigating Robot Happy


Below are screenshots of a chart (see mentioned blog post) containing the query times for the three different values.


Value: 52018-11-03_5_A2.PNG


Value: 100


value: 20002018-11-03_2000_A2.PNG




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