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https://issues.apache.org/jira/browse/MAPREDUCE-1527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12837615#action_12837615
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Hemanth Yamijala commented on MAPREDUCE-1527:
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Hong, I see this in code logged as a WARNING message: (edited for showing the
intent) Configuring "mapred.queue.names" in mapred-site.xml or hadoop-site.xml
is deprecated. Configure queue hierarchy in QUEUE_CONF_FILE_NAME.
This is the standard used in Hadoop for warning against deprecated keys. Does
this not help enough ?
> 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
>
> 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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