dimon222 commented on pull request #16358:
URL: https://github.com/apache/airflow/pull/16358#issuecomment-859192608


   > > Does this PR literally restrict from staggering new dagruns of there's 
already running one?
   > 
   > I don't think I understand you correctly but if you mean creating more 
dagruns when the max_active_runs have been reached, then yes. You can't create 
more runs if the max_active_runs has been reached
   
   I would typically expect that making more dagruns would imply their 
sequential execution and queuing one after another. In this case, it would 
straight not allow it to queue them. Removing feature that people looking for 
doesn't sound like a solution for initial problem we have here. Afterall, why 
would people want to ever trigger day multiple times, if they want only one be 
ran at a time. The only consequence if this gets merged would mean more people 
turning to doing poll as workaround (spam trigger until it actually is 
successful)


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