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https://issues.apache.org/jira/browse/HADOOP-5396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682398#action_12682398
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Doug Cutting commented on HADOOP-5396:
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> One way to resolve this is by moving MRAdmin tool into the mapred package and
> deprecating the current mapred.tools.MRAdmin. Thoughts?
Eventually we will restructure the mapred code into multiple packages,
separating public APIs (for which we'll generate javadoc) from internal APIs
(for which we won't). Once that's done, we'll be able to have public classes
which are not documented.
Do we yet have a Jira for this restructuring? If that doesn't happen before
this issue is to be committed, then your workaround sounds reasonable.
> Queue ACLs should be refreshed without requiring a restart of the job tracker
> -----------------------------------------------------------------------------
>
> Key: HADOOP-5396
> URL: https://issues.apache.org/jira/browse/HADOOP-5396
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Hemanth Yamijala
> Assignee: Vinod K V
> Attachments: HADOOP-5396-3-svn.txt
>
>
> In large shared deployments of the M/R clusters, it is normal that new users
> will periodically want to get access to some queues on the M/R framework.
> Requiring a JT restart for each such change is operationally inconvenient and
> seems an overkill. There should be a way for updating ACLs with new users
> without requiring a JT restart.
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