2

I wonder on what so much time is spent during installation or upgrade to new MacOS. In other words: having strongest machine (MacbookPro) with fastest hard drive (1GB/s read/write abilities) and having fast internet connection (30Mbps) - why update between two consequent minor version (i.e. from 10.12.2 to 10.12.3) takes 30 minutes - even if update declared to be 800 MB in size. I expect in answers mentioning specific functional actions, if someone knows or can guess ones.

  • 1
    The time to update dot releases is carefully chosen by Apple developers to give you a decent break to make and drink a cup/cocktail glass of coffee/tea/Vodka-Martini, tidy up your desktop and water (or talk to) your indoor plants. It's completely independent of the built-in hardware like processors or hard drives and always takes ~thirty minutes. Please check this in the preflight and post-flight scripts accompanying all macOS updates. – klanomath Jan 27 '17 at 15:01
  • I'll start a CW list. I can only think of one thing right now but I'm pretty sure others can fill it out better. – Bob Jan 27 '17 at 15:10
  • @klanomath lol --- – Pekka 웃 Jan 27 '17 at 15:17
1

(If you can add anything to this list, it would be greatly appreciated.)

  • Firmware updates
    Each and every macOS installer includes a firmware update package that has to run before the "regular" install process can be begun.
  • How many files involved? How many bidirectional transactions persist? Why should it take not more than 2-3 min to update dozens of files and that's all? – Leon Kigelman Jan 27 '17 at 15:45
  • That's a question for smarter people than me :) – Bob Jan 27 '17 at 15:46

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