SaTae66 commented on issue #21646:
URL: https://github.com/apache/superset/issues/21646#issuecomment-1532535695
From what I managed to find out, superset logs itself but somehow the
messages are propagated up to gunicorn, which itself logs everything again. My
knowledge about python is very limited, so I could not locate the root of the
problem, however I found a workaround.
I disabled all logging for superset by adding the following to the conifg.py:
```
class NoLoggingConfigurator( # pylint: disable=too-few-public-methods
LoggingConfigurator
):
def configure_logging(
self, app_config, debug_mode
) -> None:
logger.info("logging was configured successfully")
# disable logging for superset; logs are handled by gunicorn
LOGGING_CONFIGURATOR = NoLoggingConfigurator()
```
Furthermore, I added those 2 files to the root dir of superset:
1. gunicorn_logging.conf from
[stackoverflow](https://stackoverflow.com/questions/34753214/json-formatted-logging-with-flask-and-gunicorn)
2. jsonlogging.py from
[github](https://github.com/sebest/json-logging-py/blob/master/jsonlogging.py)
Now add `--log-config gunicorn_logging.conf` to the gunicorn command when
starting superset and there will be only the json loggs from gunicorn. I am
also setting the env variable `PYTHONWARNINGS=ignore` to prevent any (non-json)
warnings from showing up.
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I still believe that logging should work properly without such a workaround,
especially if it explicitly recommanded in the docs to use gunicorn.
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