Meaning of HT GT PT

Server
4

Like this

|10.05.19 10:23  |DEBUG  |HT: Linked file: "/media/BACKUP/urbackup/xxx"|
|10.05.19 10:23  |DEBUG  |GT: Loaded file "xxx"|
|10.05.19 10:23  |DEBUG  |Loading file "xxx"|
|10.05.19 10:23  |DEBUG  |PT: Hashing file "xxx"|