THDA commented on issue #2436: Slow query in SQL Lab
   Confirmed here, this is dead slow and needs fixing, it even triggers a "this 
site does not respond" on ie.
   Turning on profiling, I see the following top offenders (displaying 3K rows 
   Function  |  Count  | Inclusive time  | Exclusive time
   There is definitely a need for server side pagination when supported by the 
underlying engine.
   Another way would be to postpone more things, for example only run those 
append/remove when the user clicks on the "next" button.
   Looks like this is done in superset/assets/visualizations/table.js.
   Digging through's API, I'll see if I can help 

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