# File lib/openshift-origin-node/model/unix_user.rb, line 732
    def get_mcs_label(uid)
      setsize=1023
      tier=setsize
      ord=uid.to_i
      while ord > tier
        ord -= tier
        tier -= 1
      end
      tier = setsize - tier
      "s0:c#{tier},c#{ord + tier}"
    end