Solaris 11.4, parâmetros zfs_xcopy

Question

Alguém pode explicar novos parâmetros apareceu no oracle solaris 11.4?

zfs_write_throttle_xcopy_scale
zfs_xcopy_allowed_pct_over
zfs_xcopy_bloom_entries
zfs_xcopy_hard_limit_factor
zfs_xcopy_hard_limit_pct
zfs_xcopy_low_write_factor
zfs_xcopy_lower_bound_pct
zfs_xcopy_prefetch
zfs_xcopy_throttle_threshold
zfs_xcopy_upper_bound_pct
zfs_xdvnodeops
zfs_xdvnodeops_template