ephraimbuddy opened a new issue #17979: URL: https://github.com/apache/airflow/issues/17979
### Apache Airflow version 2.1.3 (latest released) ### Operating System Ubuntu 20.04.2 LTS (Focal Fossa) ### Versions of Apache Airflow Providers _No response_ ### Deployment Other ### Deployment details Local dev environment with breeze ### What happened Running dagruns are not visible in the UI when there are many queued dagruns. # Running not visible in tree view  # Running not visible in graph view  # Running visible in details page  ### What you expected to happen I expected to see the running dagruns in the tree view and graph view ### How to reproduce Run this dag and check the tree/graph view when queued dagruns is more than 20: ``` from airflow import models from airflow.operators.bash import BashOperator from datetime import datetime, timedelta with models.DAG('my-test-dag-for-active-runs', schedule_interval= '@daily', start_date = datetime(2021, 4, 4, 19, 20) catchup=True, max_active_runs=2 ) as dag: start = BashOperator( task_id='start', bash_command='echo "Starting"; echo "Sleeping for 10 seconds"; sleep 10; echo "Finished"' ) task2 = BashOperator( task_id='next_task', bash_command='echo "Starting"; echo "Sleeping for 10 seconds"; sleep 10' ) ``` ### Anything else _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
