Top "Airflow" questions

Apache Airflow is a workflow management platform to programmatically author, schedule, and monitor workflows as directed acyclic graphs (DAGs) of tasks.

Using Dataflow vs. Cloud Composer

I'd like to get some clarification on whether Cloud Dataflow or Cloud Composer is the right tool for the job, …

google-cloud-dataflow airflow apache-beam google-cloud-composer
Minimum hardware requirements for Apache Airflow cluster

What are the minimum hardware requirements for setting up an Apache Airflow cluster. Eg. RAM, CPU, Disk etc for different …

airflow airflow-scheduler
Bash Operator error: No such file or directory in airflow

I am a newbie to Airflow and struggling with BashOperator. I want to access a shell script using bash operatory …

python bash airflow directed-acyclic-graphs
How to Trigger a DAG on the success of a another DAG in Airflow using Python?

I have a python DAG Parent Job and DAG Child Job. The tasks in the Child Job should be triggered …

python python-3.x airflow directed-acyclic-graphs airflow-scheduler
How to use apache airflow in a virtual environment?

I am quite new to using apache airflow. I use pycharm as my IDE. I create a project (anaconda environment), …

python apache virtualenv airflow directed-acyclic-graphs
KeyError: 'ti' in Apache Airflow xcom

We are trying to run a simple DAG with 2 tasks which will communicate data via xcom. DAG file: from __future__ …

airflow apache-airflow-xcom
Apache Airflow: Executor reports task instance finished (failed) although the task says its queued

Our airflow installation is using CeleryExecutor. The concurrency configs were # The amount of parallelism as a setting to the executor. …

airflow executor
Airflow dynamic tasks at runtime

Other questions about 'dynamic tasks' seem to address dynamic construction of a DAG at schedule or design time. I'm interested …

python airflow airflow-scheduler
Airflow dags and PYTHONPATH

I have some dags that can't seem to locate python modules. Inside of the Airflow UI, I see a ton …

airflow airflow-scheduler
How to run one airflow task and all its dependencies?

I suspected that airflow run dag_id task_id execution_date would run all upstream tasks, but it does not. …

python-3.6 airflow airflow-scheduler