du -hs / du -h --max-depth=1 / ncdu 显示的文件夹大小不同? - V2EX
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fzinfz
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du -hs / du -h --max-depth=1 / ncdu 显示的文件夹大小不同?

  •  
  •   fzinfz
    fzinfz Aug 10, 2016 3609 views
    This topic created in 3549 days ago, the information mentioned may be changed or developed.

    同一个 du 运行的结果竟然不同? du -hs / du -h --max-depth=1 有啥区别?

    ncdu 子文件夹的大小总和竟然大于 total ?

    如何复现:

    1. 安装 anaconda
    2. conda create --name py35 --clone root
    3 replies    2016-08-10 19:03:05 +08:00
    metrue
        1
    metrue  
       Aug 10, 2016 via Android
    有一种东西叫 man
    fzinfz
        2
    fzinfz  
    OP
       Aug 10, 2016
    @metrue

    ncdu 貌似是因为 hard links 的 bug :

    BUGS
    Directory hard links are not supported. They will not be detected as being hard links, and will thus be scanned and counted multiple times.

    du 是为什么么?-d/-s 会影响大小计算?

    -d, --max-depth=N
    print the total for a directory (or file, with --all) only if it is N or fewer levels below the command
    line argument; --max-depth=0 is the same as --summarize

    -s, --summarize
    display only a total for each argument
    fzinfz
        3
    fzinfz  
    OP
       Aug 10, 2016
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