On Tue, Feb 10, 2009 at 5:03 PM, Jamie Krasnoo <jkrasnoo@xxxxxxxxx> wrote: > Yes, I'm using Apache 2.2.11 and I do believe that threading could be > enabled. Apache was compiled through cPanel with Easy::Apache. I > didn't see any options to disable threading unless I missed it. a lot of php extensions are not thread safe, perhaps apc is one of them. most people compile apache w/ mpm_prefork rather than mpm_worker for this reason. i know next to nothing about cPanel, thankfully, but youll likely have to compile php w/ mpm_prefork in order to keep apc from melting down the engine :) -nathan