Airflow Xcom Exclusive Jun 2026

can use XComs to create branching, mapping, and dependency logic.

Which and deployment environment (e.g., MWAA, Astro, local Docker) are you running? airflow xcom exclusive

The default maximum XCom size is . Exceeding this limit will cause errors and degrade database performance. can use XComs to create branching, mapping, and

Problem : Pushing a large JSON payload or a DataFrame exceeds the 48KB limit and may silently fail or corrupt your metadata database. Solution : Store large objects in a shared file system (e.g., S3, GCS) and pass only the file URI via XCom. Alternatively, use a custom XCom backend that offloads large payloads automatically. can use XComs to create branching