$conf['cache_inc'] = './sites/all/modules/cache/cache.inc';
    $conf['session_inc'] = './sites/all/modules/cache/session.inc';
    $conf['cache_settings'] = array(
      'engines' => array(
        'db' => array(
          'engine' => 'database',
          'server' => array(),
          'shared' => TRUE,
          'prefix' => '',
        ),
        'apc' => array(
          'engine' => 'apc',
          'server' => array(),
          'shared' => TRUE,
          'prefix' => '',
        ),
        'memcache' => array(
          'engine' => 'memcache',
          'server' => array(
            'localhost:11211',
            'localhost:11212',
          ),
          'shared' => TRUE,
          'prefix' => '',
        ),
      ),
 
      'schemas' => array(
        'db' => array(
          // Engines:
          'db',
        ),
        'apc' => array(
          // Engines:
          'apc',
        ),
        'memcache' => array(
          // Engines:
          'memcache',
        ),
      ),
 
      'bins' => array(
        // Bin name     => Schema name.
        'default'       => 'db',
        'cache'         => 'apc',
        'cache_form'    => 'memcache',
        'cache_page'    => 'memcache',
        'cache_filter'  => 'memcache',
      ),
    );