+1 It's very useful, Thanks for improve ACL features.
On Tue, Feb 11, 2014 at 8:46 AM, Chris Nauroth <cnaur...@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/ > > -- > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. >
