Taragolis commented on issue #29687: URL: https://github.com/apache/airflow/issues/29687#issuecomment-1441477492
`0` is stands for disable deleting "old" rendered templates from the DB: - This delete query would never run, in Postgres (⚠️ my opinion) this query just slow however in MySQL it also could cause deadlocks. - Rendered fields would be accessible in the UI "forever" (until settings changed to some value greater that `0`) - As result size of `rendered_task_instance_fields` would growth https://github.com/apache/airflow/blob/78115c5ca995be6f0e06f68b4d97f7c270c16685/airflow/models/renderedtifields.py#L206-L209 There is also [discussion exists in dev-list](https://lists.apache.org/thread/jfzxq6xf8z5ss11hjl1yn41dd4mvk7cm), unfortunetly I do not have a time to check the long-term behaviour of Airflow DB in case of MySQL I would be appreciate if you share you result -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
