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From Jing Zhao <j...@hortonworks.com>
Subject Re: [VOTE] Merge HDFS-4685 HDFS ACLs to trunk
Date Thu, 13 Feb 2014 21:44:09 GMT
+1. ACL is a very useful feature. I reviewed some of the jiras and the
code is in a very good shape.

Thanks,
-Jing

On Thu, Feb 13, 2014 at 1:18 PM, Suresh Srinivas <suresh@hortonworks.com> wrote:
> +1. I have been part of the design of this feature. Thanks to everyone who
> contributed to this feature development!
>
>
> On Mon, Feb 10, 2014 at 4:46 PM, Chris Nauroth <cnauroth@hortonworks.com>wrote:
>
>> Hello everyone,
>>
>> I would like to call a vote to merge HDFS ACLs from branch HDFS-4685 to
>> trunk.
>>
>> HDFS ACLs provide support for finer-grained permissions on files than what
>> users can express today using traditional Unix permission bits.  An ACL
>> (Access Control List) consists of a set of ACL entries.  Each ACL entry
>> names a specific user or group and grants or denies read, write and execute
>> permissions for that specific user or group.
>>
>> Development of this feature has been tracked in issue HDFS-4685:
>> https://issues.apache.org/jira/browse/HDFS-4685
>>
>> The current design document is available here:
>>
>> https://issues.apache.org/jira/secure/attachment/12627729/HDFS-ACLs-Design-3.pdf
>>
>> All development work has been committed to the HDFS-4685 feature branch:
>> http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-4685/
>>
>> We're currently working on resolving conflicts with the fsimage protobuf
>> merge, and we expect to complete that work soon.
>>
>> The feature is backwards-compatible.  By default, the feature is disabled.
>>  A cluster administrator must enable support for ACLs in configuration.
>>  There is no impact to existing clusters that choose to leave ACL support
>> disabled.
>>
>> In addition to the existing tests that cover permissions, we've developed
>> more than 200 new tests covering the new ACL get and set APIs through
>> DistributedFileSystem and WebHdfsFileSystem, the new CLI commands,
>> enforcement of ACLs during file access, integration with the existing
>> permissions model, persistence of ACLs to fsimage and edits, and more.  We
>> have documented our further system testing plans in a test plan document
>> attached to issue HDFS-4685.
>>
>> I want to thank the numerous contributors who have participated in the
>> branch development up to this point.  Code contributors are Vinayakumar B,
>> Sachin Jose, Renil Joseph, Haohui Mai, Chris Nauroth and Jing Zhao.  Yesha
>> Vora contributed the test plan.  The design document incorporates feedback
>> from many community members: Dilli Arumugam, Brandon Li, Haohui Mai, Kevin
>> Minder, Chris Nauroth, Sanjay Radia, Suresh Srinivas, Tsz Wo (Nicholas),
>> SZE and Jing Zhao.  Code reviewers on individual patches include Arpit
>> Agarwal, Colin Patrick McCabe, Haohui Mai, Chris Nauroth and Jing Zhao.
>>
>> This vote runs for a week and closes on 2/17/2014 at 11:59 pm PT.
>>
>> Chris Nauroth
>> Hortonworks
>> http://hortonworks.com/
>>
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>
>
>
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NOTICE: This message is intended for the use of the individual or entity to 
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