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Calculate the compression ratio of a set of files on a btrfs filesystem. See also btrfs filesystem for recompressing a file by defragmenting it. More information:

  • Calculate the current compression ratio for a file or directory:

sudo compsize {{path/to/file_or_directory}}

  • Don't traverse filesystem boundaries:

sudo compsize --one-file-system {{path/to/file_or_directory}}

  • Show raw byte counts instead of human-readable sizes:

sudo compsize --bytes {{path/to/file_or_directory}}