raefezzeldin opened a new issue #17994: URL: https://github.com/apache/airflow/issues/17994
### Apache Airflow version 2.1.3 (latest released) ### Operating System PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" VERSION_ID="10" VERSION="10 (buster)" VERSION_CODENAME=buster ID=debian HOME_URL="https://www.debian.org/"; SUPPORT_URL="https://www.debian.org/support"; BUG_REPORT_URL="https://bugs.debian.org/"; ### Versions of Apache Airflow Providers apache-airflow-providers-amazon==1.4.0 apache-airflow-providers-apache-beam==2.0.0 apache-airflow-providers-apache-druid==1.1.0 apache-airflow-providers-apache-spark==2.0.0 apache-airflow-providers-celery==2.0.0 apache-airflow-providers-cncf-kubernetes==2.0.2 apache-airflow-providers-docker==2.1.0 apache-airflow-providers-elasticsearch==2.0.2 apache-airflow-providers-ftp==2.0.0 apache-airflow-providers-google==5.0.0 apache-airflow-providers-grpc==2.0.0 apache-airflow-providers-hashicorp==2.0.0 apache-airflow-providers-http==2.0.0 apache-airflow-providers-imap==2.0.0 apache-airflow-providers-jdbc==1.0.1 apache-airflow-providers-microsoft-azure==2.0.0 apache-airflow-providers-microsoft-mssql==2.0.0 apache-airflow-providers-mysql==1.1.0 apache-airflow-providers-odbc==2.0.0 apache-airflow-providers-postgres==1.0.2 apache-airflow-providers-redis==2.0.0 apache-airflow-providers-sendgrid==2.0.0 apache-airflow-providers-sftp==2.1.0 apache-airflow-providers-slack==4.0.0 apache-airflow-providers-snowflake==2.0.0 apache-airflow-providers-sqlite==2.0.0 apache-airflow-providers-ssh==2.1.0 ### Deployment Official Apache Airflow Helm Chart ### Deployment details Azure kubernetes Service k8s v 1.18.14 ### What happened I am runing tow task one MSSQL Operator and the the other is python operator sleep task default _args I am using ``` default_args = { 'start_date': datetime(2021, 8, 14), 'depends_on_past': False, 'retry_delay': timedelta(seconds=3), 'retries': 3 } ``` Dag Object ``` with DAG(dag_id='update_subs_inc' , default_args=default_args , schedule_interval='0/15 * * * *' , catchup=True , tags=['microsoftsql', 'incrementals', 'ro', 'hourly'] , max_active_runs=1) as dag: ``` ### What you expected to happen to run one dag run and wait for the sleep task ( 5mins) then run the next dag run. but what happens many dag runs run in parallel and alot of dag runs are queued. as shown in the below figure. that doesn't happen before upgreade to v 2.1.3 , I was using v 2.1.1  ### How to reproduce _No response_ ### 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]
