zfs set xattr=sa poolname
zfs set acltype=posixacl poolname
zfs set compression=lz4 poolname
zfs set atime=off poolname
zfs set relatime=off poolname
zfs set recordsize=1M poolname
https://svennd.be/basic-zfs-tune-tips/
https://jrs-s.net/2018/08/17/zfs-tuning-cheat-sheet/