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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4897) Copying a directory does not include the directory's quota settings
Date Mon, 10 Jun 2013 18:34:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679745#comment-13679745
] 

Suresh Srinivas commented on HDFS-4897:
---------------------------------------

bq. I meant using copy to restore some data. Sorry for being unclear.
If that is the case, the suggest of cp -p, to enable the semantics you are looking for, makes
sense.
                
> 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, 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 restores a subtree using snapshots because we use copy (not allowed to move snapshots).

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