code: def disable_jt_ha(self, active_name):
      
      args = dict(
        activeName = active_name,
      )
      return self._cmd('disableJtHa', data=args)
docs: Disable high availability for a MR JobTracker active-standby pair.
  
      @param active_name: name of the JobTracker that will be active after
                          the disable operation. The other JobTracker and
                          Failover Controllers will be removed.
      @return: Reference to the submitted command.