potiuk commented on issue #23337:
URL: https://github.com/apache/airflow/issues/23337#issuecomment-1120448250

   literally setting `AIRFLOW__SCHEDULER__USE_JOB_SCHEDULE` via API is not 
possible, because we would have to a) change it in env variables for running 
process (because it is impossible) b) do it in scheduler - and the 
API/webserver does not have direct way to communicate with scheduler, it would 
have to be done through database rather than through env variables. 
   
   I am not sure if this is a good idea to influence scheduler's behaviour via 
API. I'd say any cahnge of scheduler behaviour should be done via  deployment. 
What we COULD do instead we could have Airflow scheduler to respond to (for 
example) USR1 signal and have a way to pass it via the deployment).
   
   Converting it into discussion - maybe someone will have other ideas. 


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