dstandish edited a comment on issue #20143:
URL: https://github.com/apache/airflow/issues/20143#issuecomment-990456717


   hrmm interesting...
   
   here's  what i did...
   
   run a dag with two tasks
   
   kill the scheduler
   
   update TI mutation hook to change queue to `special_queue`
   
   start scheduller
   
   clear _one_ task
   
   outcome:
   
   task runs, and _both_ TIs are updated with the `special_queue` queue
   
   strange.... will have to look more 
   
   it does seem that TIs are mutated on clear.  but there may be a timing issue 
when you are using the hook to change executors.  and i'm not sure exactly 
_how_ the hook is called on a clear since it  looked like it's only called  in 
create dagrun  🤔
   


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