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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9089) Balancer and Mover should use ".system" as reserved inode name instead of "system"
Date Thu, 17 Sep 2015 08:10:48 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-9089:
--------------------------------------
    Hadoop Flags: Incompatible change

This looks like an incompatible change.



> Balancer and Mover should use ".system" as reserved inode name instead of "system"
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-9089
>                 URL: https://issues.apache.org/jira/browse/HDFS-9089
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer & mover
>            Reporter: Archana T
>            Assignee: Surendra Singh Lilhore
>         Attachments: HDFS-9089.01.patch, HDFS-9089.02.patch
>
>
> Currently Balancer and Mover create "/system" for placing mover.id and balancer.id
> hdfs dfs -ls /
> drwxr-xr-x   - root hadoop          0 2015-09-16 12:49 {color:red}/system{color}
> This folder created in not deleted once mover or balancer work is completed So user cannot
create dir "system" .
> Its better to make ".system" as reserved inode for balancer and mover instead of "system".



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