Last Updated: November 21, 2025
Apache Airflow
Workflow orchestration platform
Core Concepts
| Item | Description |
|---|---|
DAG
|
Directed Acyclic Graph - workflow |
Operator
|
Task template |
Task
|
Instance of an operator |
Scheduler
|
Triggers DAG runs |
Common Operators
| Item | Description |
|---|---|
PythonOperator
|
Execute Python function |
BashOperator
|
Run bash command |
EmailOperator
|
Send email |
HttpOperator
|
Make HTTP request |
Best Practices
- Keep DAGs idempotent
- Use XCom sparingly
- Set appropriate retry policies
- Monitor DAG performance in UI
💡 Pro Tips
Quick Reference
Use TaskGroups to organize complex DAGs