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https://issues.apache.org/jira/browse/HADOOP-5396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod K V updated HADOOP-5396:
------------------------------
Attachment: HADOOP-5396-3-svn.txt
Attaching patch incorporating the above.
- Also deprecated o.a.h.m.tools.MRAdmin in favour of o.a.h.m.MRAdmin.
`ant test-patch` gave
{code}
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 7 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] -1 findbugs. The patch appears to introduce 1 new Findbugs
warnings.
[exec]
[exec] +1 Eclipse classpath. The patch retains Eclipse classpath
integrity.
[exec]
[exec] -1 release audit. The applied patch generated 653 release
audit warnings (more than the trunk's current 652 warnings).
{code}
The release audit warning is for the newly added conf/mapred-queues.xml. The
FindBugs warning ??"The class name org.apache.hadoop.mapred.tools.MRAdmin
shadows the simple name of the superclass org.apache.hadoop.mapred.MRAdmin"??
is regarding the deprecated MRAdmin class.
> 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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