For years now, I’ve been telling audiences for my MySQL Performance talk the following: if you are running an I/O-intensive database on spinning disks you’re doing it wrong. But there are still a surprising number of laggards who aren’t embracing SSD storage (whether it’s for cost or reliability reasons).
Let’s look at cost first. As I write this now (September 2016), high-performance server-grade spinning hard drives run for about $240 for 600GB (or $0.40 per GB). Of course, you can get an 8TB archive drive at about same price …[Read more]