File _constraints of Package root6

<constraints>
  <hardware>
    <disk>
      <size unit="G">30</size>
    </disk>
    <physicalmemory>
      <size unit="G">4</size>
    </physicalmemory>
    <memoryperjob>
      <size unit="M">2048</size>
    </memoryperjob>
  </hardware>
</constraints>