elasticsearch mapping

index.json

{
  "settings": {
    "number_of_shards": 5,
    "number_of_replicas": 1,
    "index.store.compress.stored" : true
  },
  "mappings": {
    "artist": {
      "properties": {
        "mbid": {
          "type": "string",
  	  "index" : "not_analyzed"
        },
        "sort_name": {
          "type": "string"
        },
        "begin_year": {
          "type": "short"
        },
        "end_year": {
          "type": "short"
        },
        "name": {
          "type": "string"
        },
        "aliases": {
          "type": "string",
		  "index_name" : "aliase"
        },
        "rank": {
          "type": "long"
        },
        "type": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "image": {
          "type": "string",
		  "index": "no"
        },
        "gender": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "country": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "tags": {
          "type": "string",
		  "index_name" : "tag",
		  "index": "not_analyzed"
        }
      }
    },
    "release": {
      "_parent": {
        "type": "artist"
      },
      "properties": {
        "mbid": {
          "type": "string",
		  "index": 	"not_analyzed"
        },
        "name": {
          "type": "string"
        },
        "rank": {
          "type": "long"
        },
        "type": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "image": {
          "type": "string",
		  "index": "no"
        },
        "release_date": {
          "type": "short"
        },
        "language": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "script": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "second_types": {
          "type": "string",
		  "index_name" : "second_type",
		  "index": "not_analyzed"
        },
        "tags": {
          "type": "string",
		  "index_name" : "tag",
		  "index": "not_analyzed"
        }
      }
    },
    "song": {
      "_parent": {
        "type": "release"
      },
      "properties": {
        "name": {
          "type": "string"
        },
        "mbid": {
          "type": "string",
		  "index": "not_analyzed"
        },
        "rank": {
          "type": "long"
        },
        "length": {
          "type": "integer",
		  "index": "no"
        },
        "track_no": {
          "type": "short",
		  "index": "no"
        },
        "release_name": {
          "type": "string",
		  "index": "no"
        },
        "artist_name": {
          "type": "string",
		  "index": "no"
        },
        "youtube_id": {
          "type": "string",
          "index": "no"
        },
        "artist": {
          "type": "string",
		  "index": "not_analyzed"
        }
      }
    }
  }
}