[
  {
    "metric": "prometheus_treecache_zookeeper_failures_total",
    "type": "counter",
    "help": "The total number of ZooKeeper failures."
  },
  {
    "metric": "prometheus_tsdb_reloads_total",
    "type": "counter",
    "help": "Number of times the database reloaded block data from disk."
  }
]