Anecdotal evidence that macOS 10.13.2 supplemental update (Meltdown/Spectre) is extra-slow on Fusion Drives. Could this be a stealth APFS test?
Short posts from Andrew Jaffe
Anecdotal evidence that macOS 10.13.2 supplemental update (Meltdown/Spectre) is extra-slow on Fusion Drives. Could this be a stealth APFS test?