wordpress hyperdb

*/
$wpdb->add_database(array(
'host' => DB_HOST, // If port is other than 3306, use host:port.
'user' => DB_USER,
'password' => DB_PASSWORD,
'name' => DB_NAME,
));

/**
* This adds the same server again, only this time it is configured as a slave.
* The last three parameters are set to the defaults but are shown for clarity.
*/
$wpdb->add_database(array(
'host' => 192.168.8.113:3306, // If port is other than 3306, use host:port.
'user' => wordpress,
'password' => wordpress,
'name' => wordpress,
'write' => 0,
'read' => 1,
'dataset' => 'global',
'timeout' => 0.2,
));