Overview How Janitor keeps Lakehouse tables fast and small with scheduled maintenance jobs. › Configure default settings Set the default schedule, maintenance window, run limits, and maintenance options that every Janitor job uses. › Create and manage jobs Create a maintenance job for one table or for every table in a schema, then change, deactivate, or delete it. › Run maintenance manually Check a maintenance run with Dry run, start it right away with Run, or unblock a stuck job with Reset state. › View run history Check the result of every maintenance run, find out why a step failed, and stop a run that is still working. › Pause and resume maintenance Stop all Janitor maintenance for a while, gracefully or in an emergency, and start it again. › Permissions and input rules Which permission each Janitor action needs, the allowed values for every setting, and the messages you see when a value is not valid. ›