What's the compressibility of this? As a whole it looks highly compressible but with something like s3 and everything being its own file, it may not be getting utilized.
Processed 974464 files, 327323 regular extents (751261 refs), 598287 inline.
Type Perc Disk Usage Uncompressed Referenced
TOTAL 40% 11G 28G 60G
none 100% 2.7G 2.7G 6.2G
zstd 34% 8.9G 25G 54G
Nix also supports automatic deduplication using hardlinks which I have enabled in this case.