The xtrabackup 2.4.24 man page says…
If you want a usable full backup, use innobackupex since xtrabackup itself won’t copy table definitions, triggers, or anything else that’s not .ibd.
The innobaxkupex 2.4.24 man page says…
The innobackupex program is deprecated. Please switch to xtrabackup.
Translation: If you want a usable backup, use the deprecated command?
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