[GitHub] [airflow] collinmcnulty commented on issue #18023: Many queued Dagruns created for DagRuns with a start_date in the past

[GitBox <gi...@apache.org>]

collinmcnulty commented on issue #18023:
URL: https://github.com/apache/airflow/issues/18023#issuecomment-912780134


   `max_active_dagruns` is checked when moving a dagrun from `queued` to `active`. My understanding is that centralizing the logic in `_start_queued_dagruns` was intentional to prevent there being multiple places that require logic for limiting the number of dagruns.
   
   Are you seeing a performance impact? It would seem that while this increases the time between queued and running, changing this would only mean that same amount of time is spent in 'silently queued but invisible' and running.


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