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https://issues.apache.org/jira/browse/AIRFLOW-888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned AIRFLOW-888:
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Assignee: Jeremiah Lowin (was: Holden Karau's magical unicorn)
> 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
> Priority: Major
> Fix For: 1.10.0
>
>
> 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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