Question: I'm running a LAMP box with PHP running as fcgid. APC is installed and working well. However, each PHP process gets its own cache. This is a problem, because it would make far more sense to have 10 PHP processes with 300MB shared APC cache than 10 PHP processes, each with a redundant 30MB unshared APC cache.

There was a prior thread on this topic 8 months ago ([How to share APC cache between several PHP processes when running under FastCGI?](https://stackoverflow.com/questions/598444/how-to-share-apc-cache-between-several-php-processes-when-running-under-fastcgi)) and I am wondering if there have been any developments in this realm since then.

Answer: 
I was reading about it just minutes ago in the bug tracking of PHP <https://bugs.php.net/bug.php?id=57825> it's fixed but you must use spawnfcgi or php-fpm <http://php-fpm.org/>

Quoted from Ramus

> 
> It works fine if you use spawnfcgi or php-fpm. Any process manager
>  that launches a parent process and spawns child processes from that
>  will work fine.
> 
> 
>
It turns out that this is still not possible if you are truly using different processes: <http://pecl.php.net/bugs/bug.php?id=11988> (updated 11/13/2009 by the author of the relevant portion of APC).