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Vous pourrez ainsi naviguer de manière plus agréable.
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== Space and inode usage per user on cedar ==
On cedar, it is possible for any member of a group to run <code>diskusage_report</code> with the following options <code>--per_user</code> and <code>--all_users</code> to have a break-down usage per user. The first option displays only heavy users. In other terms, members of the group who have more files and/or occupy more space. When both options are used, the command gives the break-down usage for all members of the group. This is a handy command that helps to identify the users within a group who have more files and/or a large amount of data and ask them to better manage their data by reducing their inode usage for example.
In the following example, a user '''user01''' runs the command and got the following output:
<source lang="bash">
[user01@cedar1 ~]$ diskusage_report --per_user --all_users
                            Description                Space          # of files
                    /home (user user01)            109k/50G              12/500k
                  /scratch (user user01)            4000/20T              1/1000k
                /project (group user01)              0/2048k              0/1025
          /project (group def-professor)            9434G/10T          4062k/5000k
Breakdown for project def-professor (Last update: 2023-05-02 01:03:10)
          User      File count                Size            Location
-------------------------------------------------------------------------
        user01          141567            4.00 GiB              On disk
        user02          11926            3.74 GiB              On disk
        user03          725383          6121.03 GiB              On disk
        user04            4010          377.86 GiB              On disk
        user05        1296466          262.75 GiB              On disk
        user06        1010996            60.51 GiB              On disk
        user07          848066          1721.33 GiB              On disk
        user08          26516          947.23 GiB              On disk
          Total        4064930          9510.43 GiB              On disk
Breakdown for nearline def-professor (Last update: 2023-05-02 01:01:30)
          User      File count                Size            Location
-------------------------------------------------------------------------
        user03              5          1197.90 GiB    On disk and tape
          Total              5          1197.90 GiB    On disk and tape
</source>
This group has 8 users and the above output shows clearly that at least 4 of them have a large number of files for a small amount of data:
<source lang="bash">
          User      File count                Size            Location
-------------------------------------------------------------------------
        user01          141567            4.00 GiB              On disk
        user02          11926            3.74 GiB              On disk
        user05        1296466          262.75 GiB              On disk
        user06        1010996            60.51 GiB              On disk
</source>
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