InnoDB Clone and page tracking
First we will talk about some of the other internal users of the technology that underpins the InnoDB Clone. MySQL Enterprise Backup (MEB) is an enterprise offering that provides backup and recovery for MySQL. Among various types of backups available, the following two types are of interest to us:
Full Backup– A backup that backs up the entire MySQL instance – all the tables in each MySQL database.
Source: InnoDB Clone and page tracking