anchor.diff:  GET /_nodes/10.0.0.1/stats/process
   --------------------------------------------------
   
  -All stats can be explicitly requested via `/_nodes/stats/_all` or 
  +All stats can be explicitly requested via `/_nodes/stats/_all` or
   `/_nodes/stats?metric=_all`.
   
  -You can get information about indices stats on `node`, `indices`, or `shards` 
  +You can get information about indices stats on `node`, `indices`, or `shards`
   level.
   
   [source,console]
  
positive.code: Fixed bit sets are used for nested object field types and
  type filters for <<parent-join,join>> fields.
  
  `indices.segments.fixed_bit_set_memory_in_bytes`::
  (integer)
  Total amount of memory, in bytes, used by fixed bit sets across all shards
  assigned to the node.
  
negative.code: 
  All the nodes selective options are explained <<cluster-nodes,here>>.
  
  By default, all stats are returned. You can limit the returned information by
  using metrics.
  
  [[cluster-nodes-stats-api-path-params]]
  