anchor.diff:  descriptors percentage |1
   |`file_desc.max` |`fdm`, `fileDescriptorMax` |No |Maximum number of file
   descriptors |1024
  -|`load` |`l` |No |Most recent load average |0.22
   |`cpu` | |No |Recent system CPU usage as percent |12
  +|`load_1m` |`l` |No |Most recent load average |0.22
  +|`load_5m` |`l` |No |Load average for the last five minutes |0.78
  +|`load_15m` |`l` |No |Load average for the last fifteen minutes |1.24
   |`uptime` |`u` |No |Node uptime |17.3m
   |`node.role` |`r`, `role`, `nodeRole` |Yes |Master eligible node (m);
   Data node (d); Ingest node (i); Coordinating node only (-) |mdi
   |`master` |`m` |Yes |Elected master (*); Not elected master (-) |*
  -|`name` |`n` |Yes |Node name |Venom
  +|`name` |`n` |Yes |Node name |I8hydUG
   |`completion.size` |`cs`, `completionSize` |No |Size of completion |0b
   |`fielddata.memory_size` |`fm`, `fielddataMemory` |No |Used fielddata
   cache memory |0b
  
positive.code: mode (`v`). The header name will match the supplied value (e.g.,
  `pid` versus `p`).  For example:
  
  ["source","sh",subs="attributes,callouts"]
  --------------------------------------------------
  % curl 192.168.56.10:9200/_cat/nodes?v&h=id,ip,port,v,m
  id   ip            port v           m
  
negative.code: |Memory used by index writer |18mb
  |`segments.version_map_memory` |`svmm`, `segmentsVersionMapMemory` |No
  |Memory used by version map |1.0kb
  |`segments.fixed_bitset_memory` |`sfbm`, `fixedBitsetMemory` |No
  |Memory used by fixed bit sets for nested object field types and type filters for types referred in _parent fields |1.0kb
  |`suggest.current` |`suc`, `suggestCurrent` |No |Number of current suggest operations |0
  |`suggest.time` |`suti`, `suggestTime` |No |Time spent in suggest |0
  |`suggest.total` |`suto`, `suggestTotal` |No |Number of suggest operations |0
  |=======================================================================
  