dimberman opened a new issue #7911:
URL: https://github.com/apache/airflow/issues/7911
**Description**
Airflow's DB currently holds the entire history of all executions for all
time. This is problematic as the DB grows. The UI starts to get slower, and the
DB's disk usage grows. There is no bound to how large the DB will grow.
It would be useful to add a feature in Airflow to do two things:
Delete old data from the DB
Mark some lower watermark, past which DAG executions are ignored
For example, (2) would allow you to tell the scheduler "ignore all data
prior to a year ago". And (1) would allow Airflow to delete all data prior to
January 1, 2015.
**Use case / motivation**
**Related Issues**
Copied from https://issues.apache.org/jira/browse/AIRFLOW-108
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