mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jvm_gc_report.json

{
   "report_name" : "jvm_gc_report",
   "report_type" : "standard",
   "title" : "Time spent in Garbage Collection",
   "vertical_label" : "Milliseconds",
   "series" : [
      { "metric": "jvm.JvmMetrics.GcTimeMillis", "color": "ff0000", "label": "Time Spent", 
        "line_width": "2", "type": "stack" }
   ]
}