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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/04/14 19:07:36 UTC
[GitHub] [airflow] kaxil commented on issue #15369: Airflow 2.0 Scheduler suddenly stopped queuing tasks
kaxil commented on issue #15369:
URL: https://github.com/apache/airflow/issues/15369#issuecomment-819762980
>:[2021-04-14 14:51:02,666] {{scheduler_job.py:1667}} INFO - DAG tool_statistic_dag already has 16 active runs, not queuing any tasks for run 2021-04-14 12:20:00+00:00
This is the underlying issue though,
Can you check the Airflow Webserver -> Admin -> Pools and then in the row with your pool (`default`) check the Used slots. And click on the number in Used slots, it should take you to the TaskInstance page that should show the currently "running" taskinstances in that Pool.
It is possible that they are not actually running but somehow got in that state in DB. If you see 3 entries over here, please mark those tasks as success or failed, that should clear your pool.
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