Which Proxmox Backup Compression is Best for Rsync --fuzzy?

Proxmox provides 3 options for backup compression:

1. LZO (fast)
2. GZIP (good)
3. ZSTD (fast and good)

Which of these 3 would be most efficient for "Rsync --fuzzy Synchronization", which uses a previous backup at an offsite destination as the basis for minimizing data transfer of the most current backup?

If you don't know what I'm talking about, then read on below.

Although I backup my virtual machines daily onsite, once per week I also use rsync's --fuzzy argument to perform an...

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