- the backup compression feature only applies to InnoDB tables.
- when InnoDB tablespace files are compressed during backup, they receive the extension .ibz rather than the usual .ibd extension.
- you can only use the --compress option for full backups, not for incremental backups.
I have used compression tools before and was interested to understand a little more about MEB's use of compression. Jumping straight in, here are a couple of points to consider: