Stefan Magdalinski

Given that fast directory sizing was one of the big features touted for APFS, this does seem a little perverse. https://www.google.com/search?client=safari&rls=en&ei=s5ZSWqiADuaMjwSFta2gCg&q=apfs+folder+sizing+&oq=apfs+folder+sizing+&gs_l=psy-ab.3..33i160k1l2.5394.6153.0.8061.7.7.0.0.0.0.152.597.0j5.5.0....0...1.1.64.psy-ab..2.4.444...0.0.VpE0QVtRHtU "Fast Directory Sizing Fast directory sizing allows Apple File System to quickly compute the total space used by a directory hierarchy, and update it...

Attached scan of 579GB on a 15" 2016 Macbook Pro with a 1TB SSD took 23 mins. Oddly, the initial pass I did looked like it was going to take hours. Feel free to contact me if you need more data - happy to help.