EDIT: For QTS 4.2 onwards use this guide which includes the right package.   For too long I’ve been struggling against my Semantic Mediawiki performance running on a QNAP machine. Pages were taking 10+ seconds be generated and new pages could take around 30s. Although those were certainly not the most simple of wikis, judging for the number of semantic properties and templates associated, those times were simply unacceptable, even for an Atom based hardware. After trying to improve QNAP’s Mysql performance, and upgrading to the latest available php 5.5 on QNAP (which already supports OPCache by default), all without …