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https://issues.apache.org/jira/browse/AIRFLOW-1135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aizhamal Nurmamat kyzy updated AIRFLOW-1135:
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Component/s: (was: db)
database
> Clearing XCom data from previous executions
> -------------------------------------------
>
> Key: AIRFLOW-1135
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1135
> Project: Apache Airflow
> Issue Type: New Feature
> Components: database
> Reporter: Ultrabug
> Priority: Major
>
> It looks like XCom data from previous executions of tasks are never cleared
> from database and that there's no easy way to do so.
> Since XComs are created by execution_date of a task, when a task heavily uses
> XComs (like 20 000+) we can end up with a large xcom table on the database.
> Is there something I'm missing about cleaning up those previous XComs from
> database (since they're not used anymore) ?
> Would you accept the idea of having a new PR providing a helper to remove
> them ?
> Thanks
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