It's only one of several interesting comparisons in the slides, but I think we need more data points on the disk space to make use of the data. Does it grow li

It's only one of several interesting comparisons in the slides, but I think we need more data points on the disk space to make use of the data. Does it grow linearly? probably, but is there a +x in there? Mongo has some big upfront disk allocations. Were those considered somehow?