macOS Time Machine speed up #macos #sysctl

sysctl.sh

#!/usr/bin/env bash

# speed up Time Machine backup, Mac App Store install, etc
sudo /usr/sbin/sysctl debug.lowpri_throttle_enabled=0

# restore defaults
sudo /usr/sbin/sysctl debug.lowpri_throttle_enabled=1

# check:
sysctl debug.lowpri_throttle_enabled

# Time Machine status:
tmutil status

time-machine-speed-up.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>Label</key>
    <string>time-machine-speed-up</string>
    <key>ProgramArguments</key>
    <array>
      <string>bash</string>
      <string>-c</string>
      <string>tmutil status | grep Running | grep -q 1 && /usr/sbin/sysctl debug.lowpri_throttle_enabled=0 || /usr/sbin/sysctl debug.lowpri_throttle_enabled=1</string>
    </array>
    <key>RunAtLoad</key>
    <true/>
    <key>StartInterval</key>
    <integer>30</integer>
  </dict>
</plist>