Using a TTL of 0 means that APC will flush all the cache when it runs out of memory. The error don’t appear anymore but it makes APC far less efficient. It’s a no risk, no trouble, “I don’t want to do my job” decision. APC is not meant to be used that way. You … Read more
Find your php.ini and look for XDebug. Set xdebug autostart to false xdebug.remote_autostart=0 xdebug.remote_enable=0 Disable your profiler xdebug.profiler_enable=0 Note that there can be a performance loss even with xdebug disabled but loaded. To disable loading of the extension itself, you need to comment it in your php.ini. Find an entry looking like this: zend_extension = … Read more
Memcached is a distributed caching system, whereas APC is non-distributed – and mainly an opcode cache. If (and only if) you have a web application which has to live on different webservers (loadbalancing), you have to use memcache for distributed caching. If not, just stick to APC and its cache. You should always use an … Read more
You can use the PHP function apc_clear_cache. Calling apc_clear_cache() will clear the system cache and calling apc_clear_cache(‘user’) will clear the user cache.