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From "Hong Tang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1527) QueueManager should issue warning if mapred-queues.xml is skipped.
Date Wed, 24 Feb 2010 18:27:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hong Tang updated MAPREDUCE-1527:
---------------------------------

    Assignee: Hong Tang
      Status: Patch Available  (was: Open)

Trivial patch that only changes the log message. No unit test included.

> QueueManager should issue warning if mapred-queues.xml is skipped.
> ------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1527
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1527
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Hong Tang
>            Assignee: Hong Tang
>         Attachments: mr-1527-20100224-2.patch, mr-1527-20100224.patch
>
>
> MAPREDUCE-861 added support for hierarchical queues and used a new file mapred-queues.xml
to configure queues. But the QueueManager will silently skip the file if property "mapred.queue.names"
is defined in Configuration. This tripped us when we are testing MAPREDUCE-1235 and copied
configuration files from a Hadoop 0.20 cluster.
> I suggest QueueManager issue a friendly warning if both of the following are true: (1)
"mapred.queue.names" exists in Configuration; (2) "mapred-queues.xml" is found in the classpath.

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