anchor.diff:  ["source","js",subs="attributes,callouts"]
   --------------------------------------------------
   {
  -   "timestamp": 1439326129256,
  +   "timestamp": 1459427693515,
      "cluster_name": "elasticsearch",
      "status": "green",
      "indices": {
  -      "count": 3,
  +      "count": 2,
         "shards": {
  -         "total": 35,
  -         "primaries": 15,
  -         "replication": 1.333333333333333,
  +         "total": 10,
  +         "primaries": 10,
  +         "replication": 0,
            "index": {
               "shards": {
  -               "min": 10,
  -               "max": 15,
  -               "avg": 11.66666666666666
  +               "min": 5,
  +               "max": 5,
  +               "avg": 5
               },
               "primaries": {
                  "min": 5,
  
positive.code:          "size_in_bytes": 0
        },
        "segments": {
           "count": 2,
           "memory": "6.4kb",
           "memory_in_bytes": 6596,
           "index_writer_memory": "0b",
           "index_writer_memory_in_bytes": 0,
           "index_writer_max_memory": "275.7mb",
           "index_writer_max_memory_in_bytes": 289194639,
           "version_map_memory": "0b",
           "version_map_memory_in_bytes": 0,
           "fixed_bit_set": "0b",
           "fixed_bit_set_memory_in_bytes": 0
        },
        "percolate": {
           "total": 0,
           "get_time": "0s",
           "time_in_millis": 0,
           "current": 0,
           "memory_size_in_bytes": -1,
           "memory_size": "-1b",
           "queries": 0
        }
     },
     "nodes": {
        "count": {
           "total": 2,
           "master": 2,
           "data": 2,
           "ingest": 2,
           "coordinating_only": 0
        },
        "versions": [
           "{version}"
        ],
        "os": {
           "available_processors": 4,
           "mem": {
              "total": "8gb",
              "total_in_bytes": 8589934592
           },
           "names": [
              {
                 "name": "Mac OS X",
                 "count": 1
              }
           ],
           "cpu": [
              {
                 "vendor": "Intel",
                 "model": "MacBookAir5,2",
                 "mhz": 2000,
                 "total_cores": 4,
                 "total_sockets": 4,
                 "cores_per_socket": 16,
                 "cache_size": "256b",
                 "cache_size_in_bytes": 256,
                 "count": 1
              }
           ]
        },
        "process": {
           "cpu": {
              "percent": 3
           },
           "open_file_descriptors": {
              "min": 200,
              "max": 346,
              "avg": 273
           }
        },
        "jvm": {
           "max_uptime": "24s",
           "max_uptime_in_millis": 24054,
           "versions": [
              {
                 "version": "1.6.0_45",
                 "vm_name": "Java HotSpot(TM) 64-Bit Server VM",
                 "vm_version": "20.45-b01-451",
                 "vm_vendor": "Apple Inc.",
                 "count": 2
              }
           ],
           "mem": {
              "heap_used": "38.3mb",
              "heap_used_in_bytes": 40237120,
              "heap_max": "1.9gb",
              "heap_max_in_bytes": 2130051072
           },
           "threads": 89
        },
        "fs":
           {
              "total": "232.9gb",
              "total_in_bytes": 250140434432,
              "free": "31.3gb",
              "free_in_bytes": 33705881600,
              "available": "31.1gb",
              "available_in_bytes": 33443737600,
              "disk_reads": 21202753,
              "disk_writes": 27028840,
              "disk_io_op": 48231593,
              "disk_read_size": "528gb",
              "disk_read_size_in_bytes": 566980806656,
              "disk_write_size": "617.9gb",
              "disk_write_size_in_bytes": 663525366784,
              "disk_io_size": "1145.9gb",
              "disk_io_size_in_bytes": 1230506173440
         },
        "plugins": [
           // all plugins installed on nodes
           {
              "name": "inquisitor",
              "description": "",
              "url": "/_plugin/inquisitor/",
              "jvm": false,
              "site": true
           }
        ]
     }
  
negative.code:       "query_cache": {
           "memory_size": "0b",
           "memory_size_in_bytes": 0,
           "total_count": 0,
           "hit_count": 0,
           "miss_count": 0,
           "cache_size": 0,
           "cache_count": 0,
           "evictions": 0
        },
        "completion": {
  