[
https://issues.apache.org/jira/browse/HADOOP-10561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14013740#comment-14013740
]
Yi Liu commented on HADOOP-10561:
---------------------------------
In MAPREDUCE-5898, we add distcp support for preserving HDFS xattrs, and use
option flag "-px".
As [~andrew.wang] said, {{cp}} with "\-p" option doesn't preserve xattrs in
linux, we should specify via "\-\-preserve=xattr" or "\-\-preserve=all". So we
have two choices:
- same as in linux, using "\-\-preserve" or "\-\-preserve=all"
- simliar with distcp, using "-px" flag.
According to Andrew's comment add make consistent with distcp, we choose option
2.
> Copy command with preserve option should handle Xattrs
> ------------------------------------------------------
>
> Key: HADOOP-10561
> URL: https://issues.apache.org/jira/browse/HADOOP-10561
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 3.0.0
> Reporter: Uma Maheswara Rao G
> Assignee: Yi Liu
>
> The design docs for Xattrs stated that we handle preserve options with copy
> commands
> From doc:
> Preserve option of commands like “cp -p” shell command and “distcp -p” should
> work on XAttrs.
> In the case of source fs supports XAttrs but target fs does not support,
> XAttrs will be ignored
> with warning message
--
This message was sent by Atlassian JIRA
(v6.2#6252)
