What were your impressions between APC/Xcache on 5.2/3/4?
Would you suggest APC or XCache with 5.4?
Was your site using Wordpress, by chance?
4 times, I've "kinda sorta" installed APC, but then every single one of my websites turns into "It works!" page. No idea how to fix that. DH wiki is certainly not helping, save for the advice that I drop on a phrc file under home/.php/5.4/
[i]So, 4 times I have reset the state of my VPS. I have very little scripting experience, which is why I used XCache with php5.2 and mod_php ~
(I wish there was a one click option for 5.4 or at least 5.3; I'm considering paying someone, but not sure how to go about that.)[/i]
Curious about your performance, as it sounds like you have a complete and thorough experience using both popular opcode options on all of the php versions in the last few years.