[GitHub] [airflow] bbovenzi opened a new pull request, #23813: only get necessary task instances

[GitBox]

bbovenzi opened a new pull request, #23813:
URL: https://github.com/apache/airflow/pull/23813

   We were accidentally sending all mapped task instance data in `grid_data`. 
This was a lot of querying which took a long time. Instead we should only pass 
the summary. And use `/listMapped` to get specific info.
   
   Before:
   <img width="857" alt="Screen Shot 2022-05-19 at 3 38 38 PM" 
src="https://user-images.githubusercontent.com/4600967/169389189-ce030ebc-fb54-4a2c-840a-d5dc1c5afdd9.png";>
   
   After:
   <img width="696" alt="Screen Shot 2022-05-19 at 3 31 46 PM" 
src="https://user-images.githubusercontent.com/4600967/169389210-b4ac4561-2aa0-4c59-b26b-dafd23a1415b.png";>
   
   
   ---
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   In case of fundamental code change, Airflow Improvement Proposal 
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