branch-1.2/ambari-web/app/assets/data/services/metrics/mapreduce/gc.json

{
  "href" : "http://ambari/clusters/SrimanthAmbari/hosts/hostname/host_components/JOBTRACKER?fields=metrics/jvm/gcTimeMillis[1351213550,1351217148,60]",
  "HostRoles" : {
    "cluster_name" : "SrimanthAmbari",
    "component_name" : "JOBTRACKER",
    "host_name" : "hostname"
  },
  "host" : {
    "href" : "http://ambari/clusters/SrimanthAmbari/hosts/hostname"
  },
  "metrics" : {
    "jvm" : {
      "gcTimeMillis" : "[[0.0,1351213560],[0.0,1351213920],[0.0,1351214280],[0.0,1351214640],[0.0,1351215000],[0.0,1351215360],[0.011111111111,1351215720],[0.0,1351216080],[0.0,1351216440],[1.1930462189E7,1351216800],[0.069444444444,1351217160]]"
    }
  }
}