This is the presentation given by Scott Clark at the 2014 Megameet: http://www.youtube.com/watch?v=ueqDFWti47g
There are many different and interesting technical aspects discussed in the presentation and the following Q&A. Scott has used the IOx in different setups and has posted on the forum about some of it (http://forum.jbperf.com/search.php?auth ... 8&sr=posts).
Jean