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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4685) Implementation of ACLs in HDFS
Date Wed, 04 Dec 2013 18:04:37 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13839139#comment-13839139
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Chris Nauroth commented on HDFS-4685:
-------------------------------------

Colin, thanks for taking a look.  You're correct that inode flattening/features is not mentioned
anywhere in this revision of the design doc.  That's mostly because the inode flattening was
being done concurrently while I was writing the doc, so it wasn't quite ready for consideration.

To compensate for this, I've structured the project plan so that the storage optimization
work won't be done until late in the cycle.  HDFS-5595 is going to provide just the simplest
possible implementation of an {{AclManager}}, so that we can proceed on implementing and testing
the functionality.  Sub-tasks like HDFS-5620 start optimizing.  Before we start on that work
though, we'll have several weeks to reconsider this part of the design, and specifically consider
use of flattening/features.  By this time, we'll also have built up test suites on the functionality,
and that's going to provide a safety net for experimentation in this area.


> Implementation of ACLs in HDFS
> ------------------------------
>
>                 Key: HDFS-4685
>                 URL: https://issues.apache.org/jira/browse/HDFS-4685
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: hdfs-client, namenode, security
>    Affects Versions: 1.1.2
>            Reporter: Sachin Jose
>            Assignee: Chris Nauroth
>         Attachments: HDFS-ACLs-Design-1.pdf
>
>
> Currenly hdfs doesn't support Extended file ACL. In unix extended ACL can be achieved
using getfacl and setfacl utilities. Is there anybody working on this feature ?



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