I recommend using
16MB cache per process is enough as all cached scripts are shared in memory via /dev/shm/ .
do not use "shm_only" mode, it will not populate the on disk cache in /dev/shm.
You may need to load it as a zend_extension if ZendOptimizer is used.
Last edited by mistwang; 12-02-2009 at 09:19 PM..