Sept. 9th to 13th, 2019 Apple/Mac/OS X News, Tips and Tech Articles -
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Archive of September 9th to 13th, 2019 News     Go to Current News Page

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CCC blog on APFS Hard Drive Performance and Degradation
The Carbon Copy Cloner blog has an article titled An analysis of APFS enumeration performance on rotational hard drives that details the much slower performance of APFS formatted Hard Drives vs SSDs, and how that performance degrades quickly. Here's a short clip:
"I'm convinced that Apple made a fundamental design choice in APFS that makes its performance worse than HFS+ on rotational disks. Performance starts out at a significant deficit to HFS+ (OS X Extended) and declines linearly as you add files to the volume. ...

APFS takes three times as long to enumerate a million files on a rotational disk compared to HFS+ enumerating the exact same collection of files on the exact same hardware. This result on its own is staggering. As you add and remove files from the volume, however, the performance continues to decline. After just 20 cycles, APFS enumeration performance is 15-20 times worse than HFS+ performance."

The article has in-depth analysis and graphs. A must read for anyone using APFS boot HDDs.
Apple Special Event News and Keynote Video
From the September 10th, 2019 Apple Special Event.

Apple/Products related News, Tips, Updates, PR (later added first)

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Geekbench 5.0.1 Update (bug fixes)
Info from September 11th blog post.
    Geekbench 5.0.1 includes the following changes:
  • Fix a crash that could occur when running the Vulkan Compute Benchmark on AMD RX 5700 GPUs.
  • Fix an issue where the built-in comparison charts could display Geekbench 4 results instead of Geekbench 5 results.
Other News, Software Updates, OT (later added first)

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Recent Updates, Tips, DIY Upgrades and Repairs:
List of Updates, DIY Upgrades, Repair Articles, Tips and more you may have missed. (Topics range from OS/software and driver updates and troubleshooting, to hardware upgrades and repairs.)
Previous News Archive Summary:
    September 2nd to 6th, 2019 News Archive
  • Safari Technology Preview 91 (available for Mojave/Catalina)
  • VirtualBox 6.0.12 Update (includes macOS Guest Additions fix)
  • Firefox 69.0 and ESR 68.1.0/60.9.0 (Bug and Security fixes)
  • Apple's message on iOS Security (reply to Google article)
  • Guide on How to Upgrade Install macOS Catalina Safely
  • Geekbench 5 released (major upgrade, can't compare scores)
  • Western Digital My Passport (2019) 5TB Review
  • Apple Support/How-To/Troubleshooting Article Updates
    - About the screens you see when your Mac starts up.

For links to older news pages, see the Archives.

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