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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/06/11 12:12:02 UTC

[GitHub] [airflow] mikaelfr commented on pull request #9204: Add filtering tasks/task instances by tags

mikaelfr commented on pull request #9204:
URL: https://github.com/apache/airflow/pull/9204#issuecomment-642604377


   No, I haven't tested query counts for task instances. I can potentially see some performance degradation when you have tasks that run frequently with a few tags each. 
   
   One thing I could do is to remove foreign keys from task_tag table and just manually join task instances and task tags on task_id and dag_id. This should keep task tags table lighter at least. What do you think?


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