Metric java.lang:name=G1 Young Generation,type=GarbageCollector

{
  "duration": 11,
  "memoryUsageBeforeGc": {
    "CodeHeap 'profiled nmethods'": {
      "init": 2555904,
      "committed": 37617664,
      "max": 122912768,
      "used": 32432256
    },
    "G1 Old Gen": {
      "init": 90177536,
      "committed": 92274688,
      "max": 201326592,
      "used": 64082160
    },
    "CodeHeap 'non-profiled nmethods'": {
      "init": 2555904,
      "committed": 33357824,
      "max": 122916864,
      "used": 33296384
    },
    "G1 Survivor Space": {
      "init": 0,
      "committed": 2097152,
      "max": -1,
      "used": 2097152
    },
    "Compressed Class Space": {
      "init": 0,
      "committed": 23199744,
      "max": 1073741824,
      "used": 22436744
    },
    "Metaspace": {
      "init": 0,
      "committed": 128835584,
      "max": -1,
      "used": 127020888
    },
    "G1 Eden Space": {
      "init": 8388608,
      "committed": 106954752,
      "max": -1,
      "used": 28311552
    },
    "CodeHeap 'non-nmethods'": {
      "init": 2555904,
      "committed": 2555904,
      "max": 5828608,
      "used": 1402240
    }
  },
  "GcThreadCount": 5,
  "startTime": 1427337571,
  "endTime": 1427337582,
  "id": 116547,
  "memoryUsageAfterGc": {
    "CodeHeap 'profiled nmethods'": {
      "init": 2555904,
      "committed": 37617664,
      "max": 122912768,
      "used": 32432256
    },
    "G1 Old Gen": {
      "init": 90177536,
      "committed": 92274688,
      "max": 201326592,
      "used": 65234440
    },
    "CodeHeap 'non-profiled nmethods'": {
      "init": 2555904,
      "committed": 33357824,
      "max": 122916864,
      "used": 33296384
    },
    "G1 Survivor Space": {
      "init": 0,
      "committed": 4194304,
      "max": -1,
      "used": 4194304
    },
    "Compressed Class Space": {
      "init": 0,
      "committed": 23199744,
      "max": 1073741824,
      "used": 22436744
    },
    "Metaspace": {
      "init": 0,
      "committed": 128835584,
      "max": -1,
      "used": 127020888
    },
    "G1 Eden Space": {
      "init": 8388608,
      "committed": 104857600,
      "max": -1,
      "used": 0
    },
    "CodeHeap 'non-nmethods'": {
      "init": 2555904,
      "committed": 2555904,
      "max": 5828608,
      "used": 1402240
    }
  }
}

{
  "objectName": "java.lang:name=G1 Young Generation,type=GarbageCollector"
}