code: private static void inheritOwnerAndGroupIfEmpty(MutableInode<?> newInode,
        InodeDirectoryView ancestorInode) {
      if (ServerConfiguration.getBoolean(PropertyKey.MASTER_METASTORE_INODE_INHERIT_OWNER_AND_GROUP)
          && newInode.getOwner().isEmpty() && newInode.getGroup().isEmpty()) {
        // Inherit owner / group if empty
        newInode.setOwner(ancestorInode.getOwner());
        newInode.setGroup(ancestorInode.getGroup());
      }
    }
docs: Inherit owner and group from ancestor if both are empty