String INDEXER_LANGUAGE_DETECT_LENGTH = "indexer.language.detect.length";

    /** The key of the configuration. e.g. 10000 */
    String INDEXER_MAX_RESULT_WINDOW_SIZE = "indexer.max.result.window.size";

    /** The key of the configuration. e.g. 50000 */
    String INDEXER_MAX_SEARCH_DOC_SIZE = "indexer.max.search.doc.size";

    /** The key of the configuration. e.g. default */

indexer.data.max.document.request.size=1048576
indexer.data.max.delete.cache.size=100
indexer.data.max.redirect.count=10
indexer.language.fields=content,important_content,title
indexer.language.detect.length=1000
indexer.max.result.window.size=10000
indexer.max.search.doc.size=50000

# index setting
index.codec=default
index.number_of_shards=5
index.auto_expand_replicas=0-1
index.id.digest.algorithm=SHA-512
index.user.initial_password=admin

    private static final byte[] DEFAULT_ADDRESS = new byte[] { (byte) 127, (byte) 0, (byte) 0, (byte) 1 };

    private static final SecureRandom RANDOM = new SecureRandom();

    private static final String BASE = StringUtil.toHex(getAddress()) + StringUtil.toHex(System.identityHashCode(RANDOM));

    /**
     * UUIDを作成します。
     *
     * @return UUIDの文字列
     */
    public static String create() {