cat.fielddata.json

{
  "cat.fielddata": {
    "documentation": {
      "url": "https://www.elastic.co/guide/en/elasticsearch/reference/master/cat-fielddata.html",
      "description": "Shows how much heap memory is currently being used by fielddata on every data node in the cluster."
    },
    "stability": "stable",
    "visibility": "public",
    "headers": {
      "accept": ["text/plain", "application/json"]
    },
    "url": {
      "paths": [
        {
          "path": "/_cat/fielddata",
          "methods": ["GET"]
        },
        {
          "path": "/_cat/fielddata/{fields}",
          "methods": ["GET"],
          "parts": {
            "fields": {
              "type": "list",
              "description": "A comma-separated list of fields to return the fielddata size"
            }
          }
        }
      ]
    },
    "params": {
      "format": {
        "type": "string",
        "description": "a short version of the Accept header, e.g. json, yaml"
      },
      "bytes": {
        "type": "enum",
        "description": "The unit in which to display byte values",
        "options": ["b", "k", "kb", "m", "mb", "g", "gb", "t", "tb", "p", "pb"]
      },
      "h": {
        "type": "list",
        "description": "Comma-separated list of column names to display"
      },
      "help": {
        "type": "boolean",
        "description": "Return help information",
        "default": false
      },
      "s": {
        "type": "list",
        "description": "Comma-separated list of column names or column aliases to sort by"
      },
      "v": {
        "type": "boolean",
        "description": "Verbose mode. Display column headers",
        "default": false
      },
      "fields": {
        "type": "list",
        "description": "A comma-separated list of fields to return in the output"
      }
    }
  }
}