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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4897) Moving/copying a directory does not include the directory's quota settings
Date Mon, 10 Jun 2013 17:52:22 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679680#comment-13679680
] 

Daryn Sharp commented on HDFS-4897:
-----------------------------------

I wouldn't expect a move to drop the quotas, but it does stand to reason that copy shouldn't
transfer the quota - at least by default.  Perhaps the –p option could be extended, but
one difficulty is that neither FileSystem nor AbstractFileSystem expose quota operations.
                
> Moving/copying a directory does not include the directory's quota settings
> --------------------------------------------------------------------------
>
>                 Key: HDFS-4897
>                 URL: https://issues.apache.org/jira/browse/HDFS-4897
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Stephen Chu
>              Labels: quota
>
> [~atm] and I found that when a directory is copied or moved, its quotas settings aren't
included.
> {code}
> [04:21:33] atm@simon:~/src/apache/hadoop.git$ hadoop fs -ls /user
> Found 2 items
> drwxr-xr-x   - atm  atm                 0 2013-06-07 16:17 /user/atm
> drwx------   - hdfs supergroup          0 2013-06-07 16:21 /user/hdfs
> [04:21:44] atm@simon:~/src/apache/hadoop.git$ hadoop fs -count -q /user/atm
>          100              91            none             inf            7           
2               3338 /user/atm
> [04:21:51] atm@simon:~/src/apache/hadoop.git$ sudo -u hdfs -E `which hadoop` fs -cp /user/atm
/user/atm-copy
> [04:22:00] atm@simon:~/src/apache/hadoop.git$ hadoop fs -count -q /user/atm-copy
>         none             inf            none             inf            6           
1               3338 /user/atm-copy
> {code}
> This also means that a user will not retain quotas settings when the user takes snapshots
and backs up a subtree using snapshots.

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