That's the most misleading title I've seen in a long time...

I was personally interested in the story because I was confronted with a nearly identical situation (Laboratory System with screen taking up to 20 minutes to load). Now in my story, I did improve the query speed by 3 orders of magnitude, not just swipe the problem under the carpet... 😉

How is this article going to help anyone actually trying to troubleshoot performance issues?:(