[GitHub] [incubator-superset] nmits opened a new issue #8241: Superset fails to build JSON (specifically with producing label colors) for very large sets of data

[GitBox <gi...@apache.org>]

nmits opened a new issue #8241: Superset fails to build JSON (specifically with producing label colors) for very large sets of data
URL: https://github.com/apache/incubator-superset/issues/8241
 
 
   A clear and concise description of what the bug is.
   
   ### Expected results
   
   Produces UI for large quantity of elements
   
   ### Actual results
   
   Superset throws 500 error and UI becomes unusable for listing dashboards or viewing affected dashboard
   
   #### How to reproduce the bug
   
   1. Create a pie chart with large limit for rows (Enough that string length of Parameters, specifically with label colors > 65530 characters)
   2. Set a color scheme (To generate Label Colors dynamically)
   3. Save in Superset UI
   4. 500 Error on listing dashboards or viewing affected dashboard
   
   Error is due to String length of Parameters exceeding 65530 characters (2^16) and being truncated therefore invalid JSON leading to JSON deserialize error
   
   ### Checklist
   
   Make sure these boxes are checked before submitting your issue - thank you!
   
   - [ ] I have checked the superset logs for python stacktraces and included it here as text if there are any.
   - [ ] I have reproduced the issue with at least the latest released version of superset.
   - [X] I have checked the issue tracker for the same issue and I haven't found one similar.
   
   ### Additional context
   
   Add any other context about the problem here.
   

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