Application/application/Config/config.cache.php

<?php

return array(
  'cache_query_string' => false,
  'memcached' => array(
		'default' => array(
			'hostname' => '127.0.0.1',
			'port'     => '11211',
			'weight'   => '1',
		)
  	),
  'redis'	=> array(
  			'' => ''
  	)
);