[jira] [Created] (AIRFLOW-5573) Explain/Improve Default Logging Behaviour

["Raphael Dumas (Jira)" <ji...@apache.org>]

Raphael Dumas created AIRFLOW-5573:
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             Summary: Explain/Improve Default Logging Behaviour
                 Key: AIRFLOW-5573
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5573
             Project: Apache Airflow
          Issue Type: Improvement
          Components: logging
    Affects Versions: 1.10.5
            Reporter: Raphael Dumas


The [documentation for logging|[https://airflow.apache.org/howto/write-logs.html]] currently only mentions the various places logging files can get stored. It does not mention any configuration options for log persistence (which I'm guessing there are none).

After 1 month of operation with mostly just the example dags, my log files were on the order of 20 GB. 

I have found found the following resources, indicating this appears to a common problem:

- [Removing Airflow task logs|https://stackoverflow.com/q/43548744/4047679]
- [Remove Airflow Scheduler logs|https://stackoverflow.com/questions/49783850/remove-airflow-scheduler-logs]
- Both lead to [this "extension"|https://github.com/teamclairvoyant/airflow-maintenance-dags] which includes a dag for deleting log files older than X days.

*Can the default logging behaviour be explained in the logging documentation section?*
*Can that extension be linked to in the logging documentation section?*
*Can there be a configuration option to specify the amount of time logs will persist?*

 



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