去淘寶買 Macbook 用係 DVD-ROM 既 SSD/HD 托架連外置 USB DVD-ROM 盒, 連運費 200蚊港幣。裝設過程順利,不過因為 SSD 既特性,所以要做些少優化。優化主要分為兩部份,第一部份係減少無謂既 write, 第二部份就係將一d 唔需要高速讀寫既 files 移返去 harddisk,

第一部份:

  • disable atime
  • disable journaling
    /Library/LaunchDaemons/com.noatime.root.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>com.noatime.root</string>
            <key>ProgramArguments</key>
            <array>
                <string>mount</string>
                <string>-uwo</string>
                <string>noatime</string>
                <string>/</string>
            </array>
            <key>RunAtLoad</key>
            <true/>
        </dict>
    </plist>
  • 減少 sleep 機既機會,只有當差唔多冇電先 sleep
    sudo pmset -a hibernatemode 2

第二部份:

  • /var/log
  • /var/spool
  • ~/Music
  • ~/Movies
  • ~/Library/Application\ Support/MobileSync (有 iDevice 先有需要)
  •  /Library/Application\ Support/GarageBand (1.4GB)
結果,而家 boot 機暫時仲快過 Macbook air 2010 (我有 5GB RAM, 依方面點都強過 Macbook Air, 少少…)
  1. disable local backups, 我對依個 features 冇乜興趣,而且成日唔夠 harddisk 位。 disable 只要用依個 command 就得了: sudo tmutil disablelocal。行左陣你會發覺你多返好多位。至於 Auto save 我試過暫時冇影響。
  2. setup time machine, 雖然 local backup disable 左,但係我都會用 time machine 黎 backup 去其他地方,不過有D Folder 就唔駛 backup:
    1. ~/Library/Application Support/MobileSync/Backup
    2. ~/Library/Application Support/Google/Chrome/Default
    3. ~/Library/Cache
    4. ~/Library/Developer/Xcode/DerivedData
    5. ~/.Trash
    6. ~/Downloads
    7. ~/Music/iTunes/iTunes Media/Podcasts
    8. ~/Music/iTunes/iTunes Media/iTunes U
    9. /var/vm
    10. /var/tmp
  3. 喺 Mission Control 入面 uncheck “Show Dashboard as a space.”。咁樣 dashboard 會 show 得冇咁順,但可就將 widget 拉落去 Desktop
  4. 容易d搵到Library:
    • chflags nohidden /Library
    • chflags nohidden ~/Library

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