Overview:
  This resource allows querying of OneFS current statistics. Current statistics
  are the most currently available metrics to the time of the request. For a
  list of available statistics keys with descriptions, see the
  /1/statistics/keys or /1/statistics/keys/<KEY> resources.

Method GET:
  Retrieve stats.

  Query Arguments:
    degraded=<boolean>
      If true, try to continue even if some stats are unavailable. In this
      case, errors will be present in the per-key returned data.
    devid=<string>
      Node devid to query.  Either an <integer> or "all".  Can be used more
      than one time to query multiple nodes.  "all" queries all up nodes. 0
      means query the local node. For "cluster" scoped keys, in any devid
      including 0 can be used.
    key=<string>
      Key names. Can be used more than one time to query multiple keys.
    timeout=<integer>
      Time in seconds to wait for results from remote nodes.
    expand_clientid=<boolean>
      If true, use name resolution to expand client addresses and other IDs.

