that use the "Airflow" name, but neither has an "Xcom Exclusive" model. Extractor Fan World XComs — Airflow 3.2.0 Documentation
Only push IDs or S3 paths rather than raw data. airflow xcom exclusive
from datetime import datetime, timedelta from airflow import DAG from airflow.operators.bash_operator import BashOperator that use the "Airflow" name, but neither has
✅ No explicit push/pull — return values flow automatically. that use the "Airflow" name
XCom allows tasks to exchange small amounts of data by storing key-value pairs in the (typically PostgreSQL or MySQL). Unlike global Variables , XComs are scoped to specific task instances and DAG runs, ensuring that data from one execution doesn't accidentally leak into another. Core Concepts XComs — Airflow 3.2.1 Documentation
# Task A and Task B run in parallel task_a >> task_c task_b >> task_c