> you should also really round up the files to the disk block size (usually 4k), so let's round it up to 1M. A decent first-go model for the amount of bytes to

> you should also really round up the files to the disk block size (usually 4k), so let's round it up to 1M. A decent first-go model for the amount of bytes to add is half a block per file. You’re adding about 168kB. That model would predict that for 84 files. I guess there are quite a few more in those (at least) 18 directories.