I can imagine ZFS taking lots of space, but liblz4 is only 123KiB on current-ish ubuntu: $ ls -lh /usr/lib/x86_64-linux-gnu/liblz4.so.1.9.3 -rw-r--r-- 1

I can imagine ZFS taking lots of space, but liblz4 is only 123KiB on current-ish ubuntu: $ ls -lh /usr/lib/x86_64-linux-gnu/liblz4.so.1.9.3 -rw-r--r-- 1 root root 123K Mar 24 2022 /usr/lib/x86_64-linux-gnu/liblz4.so.1.9.3 $ ldd /usr/lib/x86_64-linux-gnu/liblz4.so.1.9.3 linux-vdso.so.1 (0x00007ffd3df82000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fe560800000) /lib64/ld-linux-x86-64.so.2 (0x00007fe560b81000)