bswiss wrote:
Since the update to Ventura the time machine backups are slow and large - it can go to 14 GB at the hourly backup. There are no such big data changes in my system.
Another thing that attracted my attention...: TM makes a cleaning after backup even though the backup disk has enough space?
You can erase and start a brand new TM backup to side step some inherited issue(?)
Erase and reformat a storage device in Disk Utility on Mac
Erase and reformat a storage device in Disk Utility on Mac - Apple Support
or start a new Backup using a new/different drive and compare your results...
Back up your Mac Back up your Mac with Time Machine - Apple Support
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If you value your user data
3-2-1 Backup Strategy: three copies of your data, two different methods, and one offsite.
More than one device, more than one backup methodology.