Sites sur "Dag"

airflow - Is there a benefit to use the "with dag as DAG (...)" clause ... : Specifically, it ensures that unmanaged resources -in this case implementations of the DAG class- are properly cleaned up, even if there are exceptions thrown (without needing to use a try/except block every time.) Additionally it's nice to not have to add dag=dag to every single one.
Airflow DAG Updates Not Reflecting in UI Without File Rename or ... : Specifically: When I modify the function code in a separate file used by the DAG and push the updates to Git, the UI doesn?t show these changes unless I rename the file. Running airflow dags reserialize temporarily displays the updated DAG in the UI.
Can someone explain in simple terms to me what a directed acyclic graph ... : Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming.
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DAG marked as "success" if one task fails, because of trigger ... - airflow : However, since end is the last task and succeeds, the DAG is always marked as SUCCESS. How can I configure my DAG so that if one of the tasks failed, the whole DAG is marked as FAILED?
How to Trigger a DAG on the success of a another DAG in Airflow using ... : I have a python DAG Parent Job and DAG Child Job. The tasks in the Child Job should be triggered on the successful completion of the Parent Job tasks which are run daily. How can add external job t...
python - How to control the parallelism or concurrency of an Airflow ... : Here's an expanded list of configuration options that are available since Airflow v1.10.2. Some can be set on a per-DAG or per-operator basis, but may also fall back to the setup-wide defaults when they are not specified.
How do I stop an airflow DAG? - Stack Overflow : Running Airflow 1.9.0 with python 2.7. How do I gracefully stop a DAG? In this case, I have a DAG that's running a file upload with bad code that causes everything to take 4 times as long, and I'd
python - How to Run a Simple Airflow DAG - Stack Overflow : I am totally new to Airflow. I would like to run a simple DAG at a specified date. I'm struggling to make difference between the start date, the execution date, and backfilling. And what is the com...
airflow - Access "params" in body of dag - Stack Overflow : I want to access the "params" of a dag in the body of the day, but I receive an error message that params is not defined. For example: from datetime import ...