public static String generateMrDeprecationWarning() {
    return "Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. "
        + "Consider using a different execution engine (i.e. " + HiveConf.getNonMrEngines()
        + ") or using Hive 1.X releases.";
  }
@return true if HS2 webui query-info cache is enabled
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java