{
   "report_name" : "jobtracker_reduce_slot_report",
   "report_type" : "standard",
   "title" : "Reduce Slot Utilization",
   "vertical_label" : "Slots",
   "series" : [
      { "metric": "mapred.jobtracker.reduce_slots", "color": "0000ff", "label": "Total", 
        "line_width": "2", "type": "line" },
      { "metric": "mapred.jobtracker.occupied_reduce_slots", "color": "06f7ff", "label": "Occupied", 
        "line_width": "2", "type": "stack" },
      { "metric": "mapred.jobtracker.reserved_reduce_slots", "color": "009999", "label": "Reserved",
        "line_width": "2", "type": "stack" }
   ]
}