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Posted to hdfs-issues@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2013/06/10 20:40:20 UTC
[jira] [Comment Edited] (HDFS-4897) Copying a directory does not
include the directory's quota settings
[ https://issues.apache.org/jira/browse/HDFS-4897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679745#comment-13679745 ]
Suresh Srinivas edited comment on HDFS-4897 at 6/10/13 6:39 PM:
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bq. I meant using copy to restore some data. Sorry for being unclear.
If that is the case, the suggestion of cp -p, to enable the semantics you are looking for, makes sense.
was (Author: sureshms):
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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