On Thu, Jan 8, 2015 at 10:59 AM, Elliott, Robert (Server Storage) <Elliott@xxxxxx> wrote: > The new random_drift feature changes spatial locality over time (where > time means % of data that has been accessed), so it provides some > correlation control, but doesn't provide full temporal locality > control. Just to clarify, the temporal locality control that you are referring to is more like burst control. You are not interested in a fixed IO generation rate and interested to have dynamic IO rate changes. Is that correct ? -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html