<?xml version="1.0"?>

<schema>
  <group scheduler="0">
    <node name="0" num_workers="0">
    </node>    
    <node name="1" num_workers="0">
      <runner>1</runner>
      <runner>2</runner>
    </node>    
    <node name="2" num_workers="1">
    </node>    
    <node name="3" num_workers="1">
    </node>    
    </group>
</schema>
