[mitchellh]

While the article uses only 64 KB/MB files for the analysis, the full Excel workbook contains data that had up to 512 MB files. The VMs only had 256 MB of RAM, so I did indeed test the RAM-spillover cases. The results were very similar, though unsurprisingly the VMs didn't perform quite as well (though they did still beat over native).

I never tested going over the native's RAM.

[jamesaguilar]

The amount of memory allocated to the vm does not include the host fs cache. So it is still easily possible for a 500M file to fit in that.