Jeremiah Lowin created AIRFLOW-888:
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Summary: Operators should not push XComs by default
Key: AIRFLOW-888
URL: https://issues.apache.org/jira/browse/AIRFLOW-888
Project: Apache Airflow
Issue Type: Improvement
Components: operators, xcom
Reporter: Jeremiah Lowin
Assignee: Jeremiah Lowin
Fix For: 1.9.0
Currently, Airflow pushes an XCom every time an Operator returns a result. This
behavior is overeager and potentially taxing on the database (since there are
no restrictions on what an Operator can return).
Some users may rely on this behavior, so it can still be enabled in airflow.cfg.
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