static String getMetastoreJdbcPasswd(Configuration conf) throws SQLException {
    try {
      return MetastoreConf.getPassword(conf, MetastoreConf.ConfVars.PWD);
    } catch (IOException err) {
      throw new SQLException("Error getting metastore password", err);
    }
  }
@param hdpConfig
@return subset of properties prefixed by a connection pool specific substring
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/datasource/DataSourceProvider.java