potiuk commented on issue #14505:
URL: https://github.com/apache/airflow/issues/14505#issuecomment-787515344


   My hypothesis is that the previous runs docker containers are still working 
in the background (killing a docker container running in the background might 
not happen immeddiately).  Those running docker containers could continue 
creating files while the next "init" is happening. That's why "chown" would not 
work - because the files get created . 
   
   That's where re-creating the whole tmpfs from scratch could help (if that 
hypothesis is right) - first of all deleting the tmpfs volume could fail (or 
wait until the docker container finish), secondly recreating the whole volume 
is a sure way to always be 'clean' - even if there is anything writing to the 
old tmpfs, the new volume will not share anything with the new one.
   
   


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