awbush commented on PR #30669:
URL: https://github.com/apache/airflow/pull/30669#issuecomment-1526490558

   Hi all, I'm the author of #30653 and just wanted to share results of monkey 
patching our large airflow instance with thousands of DAGs with that PR: we've 
had no more issues and our Sentry alerts for this issue are silent. 🎉 
   
   Remember that [scheduler_job_runner.py works around this 
issue](https://github.com/apache/airflow/blob/058b6ebdd863ff9178007f5750cc4cde4d3c463f/airflow/jobs/scheduler_job_runner.py#L646-L648).
 All I did was make backfill job runner behave the same, as I understood from 
looking at TastkInstanceKey and traversing years of history that a wider change 
would be difficult.
   
   Totally happy to see official airflow get some fix, even if it isn't mine, 
but thought I'd share results ^ since my PR got closed.
   
   Cheers!


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