barmanand opened a new issue #9412:
URL: https://github.com/apache/airflow/issues/9412
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**Apache Airflow version**: 1.10.10
**Environment**:
- **Cloud provider or hardware configuration**:
- **OS** (e.g. from /etc/os-release):
- **Kernel** (e.g. `uname -a`):
- **Install tools**:
- **Others**:
**What happened**:
I have set the task_concurrency=1 for BashOperator, like below
sleep_task = BashOperator(task_id=f"task1",
bash_command="sleep 2",
execution_timeout=None,
timeout=20,
retries=3,
retry_delay=timedelta(seconds=30),
task_concurrency=1,
dag=dag)
It should limit the active tasks for this sleep_task to 1 across dags as per
definition.
**What you expected to happen**:
Setting task_concurrency has no impact
**How to reproduce it**:
Add task_concurrency to any operator and try to run many dags at same time,
so that these two tasks will be running at same time
**Anything else we need to know**:
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