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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2015/10/22 10:28:27 UTC

[jira] [Commented] (HADOOP-12501) Enable SwiftNativeFileSystem to preserve user, group, permission

    [ https://issues.apache.org/jira/browse/HADOOP-12501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14968789#comment-14968789 ] 

Steve Loughran commented on HADOOP-12501:
-----------------------------------------

what user & group permissions in swiftfs are we talking about here? AFAIK there isn't any, certainly not in the current client API. Access control is at the bucket level.

> Enable SwiftNativeFileSystem to preserve user, group, permission
> ----------------------------------------------------------------
>
>                 Key: HADOOP-12501
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12501
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/swift
>    Affects Versions: 2.7.1
>            Reporter: Chen He
>            Assignee: Chen He
>
> Currently, if user copy file/dir from localFS or HDFS to swift object store, u/g/p will be gone. There should be a way to preserve u/g/p. It will provide benefit for  a large number of files/dirs transferring between HDFS/localFS and Swift object store. We also need to be careful since Hadoop prevent general user from changing u/g/p especially if Kerberos is enabled.  



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