anchor.diff:                          Attribute "blocks_written"
                   </Value>
           </MBean>
  +        #WT Hadoop TaskTracker Metrics
  +        <MBean "task_tracker">
  +                ObjectName "Hadoop:service=TaskTracker,name=TaskTrackerMetrics"
  +                #InstancePrefix ""
  +                InstanceFrom "name"
  +                <Value>
  +                        Type "gauge"
  +                        InstancePrefix "maps_running"
  +                        Attribute "maps_running"
  +                </Value>
  +                <Value>
  +                        Type "gauge"
  +                        InstancePrefix "reduces_running"
  +                        Attribute "reduces_running"
  +                </Value>
  +                <Value>
  +                        Type "counter"
  +                        InstancePrefix "tasks_completed"
  +                        Attribute "tasks_completed"
  +                </Value>
  +        </MBean>		
           #####################
           # Connection blocks #
           #####################
  +		#DataNode Connection
           <Connection>
                   Host "<%= @node[:hostname] %>"
                   ServiceURL "service:jmx:rmi:///jndi/rmi://localhost:8006/jmxrmi"
  
positive.code:                 Collect "garbage_collector"
                  Collect "data_node"
          </Connection>
          </Plugin>
  </Plugin>
  
negative.code:                         Attribute "LoadedClassCount"
                  </Value>
          </MBean>
          #WT Hadoop Data Node Metrics
          <MBean "data_node">
                  ObjectName "Hadoop:service=DataNode,name=DataNode"
  