现在软件管家里安装了memcached
dz的config_global.php里填入了

$_config['memory']['memcache']['server'] = '127.0.0.1';
$_config['memory']['memcache']['port'] = 11211;
$_config['memory']['memcache']['pconnect'] = 1;
$_config['memory']['memcache']['timeout'] = 1;

但是好像没起作用。