geonames_mapping.json

{
    "settings" : {
        "number_of_shards" : 1,
        "number_of_replicas" : 1
    },
    "mappings" : {
        "properties" : {
          "geonameid" : {"type" : "keyword", "index": "true"},
          "name" : {"type" : "text"},
          "asciiname" : {"type" : "text"},
          "alternativenames" : {"type" : "text", "similarity" : "boolean",
                                "norms": false},
          "coordinates" : {"type" : "geo_point"},
          "feature_class" :  {"type" : "keyword", "index":  "true"},
          "feature_code" : {"type" : "keyword", "index":    "true"},
          "country_code3" : {"type" : "keyword", "index":   "true"},
          "admin1_code" : {"type" : "keyword", "index":  "true"},
          "admin1_name" : {"type" : "keyword", "index":  "true"},
          "admin2_code" : {"type" : "keyword", "index":  "true"},
          "admin2_name" : {"type" : "keyword", "index":  "true"},
          "admin3_code" : {"type" : "keyword", "index":  "true"},
          "admin4_code" : {"type" : "keyword", "index":  "true"},
          "population" : {"type" :  "long"},
          "alt_name_length": {"type": "long"},
          "modification_date" : {"type" : "date", "format": "date"}
          }
       }
}