villebro commented on PR #22328:
URL: https://github.com/apache/superset/pull/22328#issuecomment-1340481378

   > Just sharing our usecase. In our Superset, we keep the dashboard 
thumbnails cached everyday for all users for better user experience. We do plan 
to create a dashboard with user specific content, where we can use this feature 
of each user generating their own thumbnails.
   > 
   > But this implementation will force the thumbnail generation for all the 
dashboards for each user, which is not ideal for us. An ideal solution for our 
usecase would be control of executor for each dashboard/chart, so the owner of 
dashboard/chart can decide if that particular dashboard/chart needs `INITIATOR` 
as executor for thumbnail. Whether it is actually feasible or not, I will let 
you decide.
   
   @kamalkeshavani-aiinside we can certainly consider adding this in a future 
PR. All it would really require is adding a `thumbnail_executor` field in the 
Dashboard and Slice models and then add a dropdown in their respective modals 
(if undefined, it would default to the global config).
   
   Would you be open to working on this feature? I'm happy to provide guidance 
and review help if needed.


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