zachliu commented on issue #49887:
URL: https://github.com/apache/airflow/issues/49887#issuecomment-2836560479

   running `watch "pgrep -f dag-processor | xargs -I{} ls -l /proc/{}/fd/ >> 
fd.log"` accumulated 1.3mb of `fd.log` with 18k rows in 20 seconds, 12k of 
which are `socket: [...]`. i have merely ~20 active DAGs + ~300 disabled DAGs. 
   
   this might explain why the new dag-processor is both a CPU-hog and a 
memory-hog
   (see my datadog metric screenshot at 
https://github.com/apache/airflow/issues/49650#issuecomment-2836013393)


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