
watcher provides the CLI tool to purge delete or orphaned objects from database[1]. This allows users to set up cron job to periodically execute the CLI to reduce database size. [1] https://docs.openstack.org/watcher/latest/man/watcher-db-manage.html#purge Change-Id: I70fe945818fdd4a31ddd0d0d502df53f6eeb5b3f