It logs to Docker. docker-compose logs -f will show you the current rolling log from all the containers. docker-compose logs -f cms-web will show just the web container.
Maintenance should take a few seconds to maybe a minute or two at the very top end to run on a healthy installation. If it’s taking longer, you have a problem and should resolve it, rather than making the change you have.
If you connect to the database, run the following SQL. What do you get?
SELECT count(*) from log;
SELECT count(*) from stat;
You can find instructions for connecting to the container and running SQL here: