Recently I had to clean up my Odin (Parallels Plesk) Server. After cleaning up I noticed that the statistics weren’t accurate  (file usage, backup capacity, etc.). In order to ensure that my cleanup work was successful I had to manually run the following command:

/usr/local/psa/admin/sbin/statistics --calculate-all

You can read more at the official Odin site: How to recalculate statistics for a particular domain