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https://issues.apache.org/jira/browse/MAPREDUCE-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12860916#action_12860916
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Vinod K V commented on MAPREDUCE-1604:
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Argh.. I was trying to see if we should hold of this commit. I just woke up to 
realize that trunk is being rebased as release 0.21. Given this, and the fact 
that the job-acls feature a.k.a MAPREDUCE-1307 is still only 'half-complete' 
because of MAPREDUCE-1664 and other related minor issues. I checked with Ravi 
who started working on MAPREDUCE-1664 and came to know that it will not be 
possible to get it in by freeze date(30th?) because it involves some consensus 
building as well as some time for implementation.

Two things can be done. Complete MAPREDUCE-1664 by marking it as a blocker. For 
this we will need to know the release time lines for 0.21. Or consider job-acls 
as an unstable feature and *undocument* it from mapred-default.xml and forrest. 
The later is a plausibility not just because of MAPREDUCE-1664, but also due to 
other subsequent issues that arose out of this feature that we found out in 
internal discussions/testing. Thoughts?

BTW, there must be a lot of 'half-features' like these which are originally 
being worked upon for 0.22 but will fall back into 0.21 because of the recent 
decision. For e.g., HADOOP-6568 which has become 'unstable' due to uncertainty 
of MAPREDUCE-1542 and HDFS-1008.

What is the community thinking about these issues? Will need to shoot an email 
on general mailing list, I guess.

> Job acls should be documented in forrest.
> -----------------------------------------
>
>                 Key: MAPREDUCE-1604
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1604
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: documentation, security
>    Affects Versions: 0.22.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.22.0
>
>         Attachments: patch-1604-1.txt, patch-1604-ydist.txt, patch-1604.txt
>
>
> Job acls introduced in MAPREDUCE-1307 should be documented in forrest.

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