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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13309) Document S3A known limitations in file ownership and permission model.
Date Mon, 10 Oct 2016 22:56:22 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15563811#comment-15563811
] 

ASF GitHub Bot commented on HADOOP-13309:
-----------------------------------------

GitHub user cnauroth opened a pull request:

    https://github.com/apache/hadoop/pull/138

    HADOOP-13309: Document S3A known limitations in file ownership and pe…

    …rmission model.
    
    Summary:
    * Update file system specification to describe that object stores may have a different
authorization model than HDFS and traditional file systems.
    * Update hadoop-aws documentation to warn that S3A will return stub information for metadata
related to ownership and permissions.  I wrote this information from the assumption that the
HADOOP-12774 change gets finished, so that one will have to get committed first.
    * Also update a few cosmetic things near the part of the hadoop-aws document that I changed.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/cnauroth/hadoop-1 HADOOP-13309

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/hadoop/pull/138.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #138
    
----
commit 5c2a05463523e4b101eea08611e036315c1bd63a
Author: Chris Nauroth <cnauroth@apache.org>
Date:   2016-10-10T22:51:21Z

    HADOOP-13309: Document S3A known limitations in file ownership and permission model.

----


> Document S3A known limitations in file ownership and permission model.
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-13309
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13309
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>            Priority: Minor
>
> S3A does not match the implementation of HDFS in its handling of file ownership and permissions.
 Fundamental S3 limitations prevent it.  This is a frequent source of confusion for end users.
 This issue proposes to document these known limitations.



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