I've installed the PHP cache APC but I've no experiences with ist. I hope somebody else does. I'm even not clear about the place where APC is caching the files and how at all I can test and controll the performance. Does somebody have any ideas?
Maybe these links help you: http://www.linux-tutorial.info/modules.php?name=Howto&pagename=Apache-Compile-HOWTO/phpext.html http://www.phptutorial.info/?ref.apc http://blog.iworks.at/?/archives/31-Boost-your-Website-with-APC.html http://www.dynamicwebpages.de/50.tutorials.php?dwp_tutorialID=24