When comparing Btrfs vs p7zip, the Slant community recommends Btrfs for most people. In the question“What are the best file compression tools for Linux?” Btrfs is ranked 3rd while p7zip is ranked 8th. The most important reason people chose Btrfs is:
Just one userspace tool, with which one can manage the entire filesystem, volumes, and subvolumes, create snapshots, change quotas, and more.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to manage
Just one userspace tool, with which one can manage the entire filesystem, volumes, and subvolumes, create snapshots, change quotas, and more.
Pro Good compression
While LZO is by far not the most effective compression algorithm, running it on a per-volume basis allows larger volumes to be shrinked quite well, which in some cases may also increase I/O throughput.
Pro Supports many formats
Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.