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https://issues.apache.org/jira/browse/MAPREDUCE-861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755912#action_12755912
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Hemanth Yamijala commented on MAPREDUCE-861:
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Just a note that this commit could cause test cases in developer checked out
workspaces to break because we changed to a new format of mapred-queues.xml.
The fix is to simply remove mapred-queues.xml and let ant copy over the new
file from the corresponding template.
I did not mark this an incompatible change, because from a Hadoop release
perspective, mapred-queues.xml was created only in Hadoop 0.21 with an older
format.
> Modify queue configuration format and parsing to support a hierarchy of
> queues.
> -------------------------------------------------------------------------------
>
> Key: MAPREDUCE-861
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-861
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Reporter: Hemanth Yamijala
> Assignee: rahul k singh
> Fix For: 0.21.0
>
> Attachments: MAPREDUCE-861-1.patch, MAPREDUCE-861-2.patch,
> MAPREDUCE-861-3.patch, MAPREDUCE-861-4.patch, MAPREDUCE-861-5.patch,
> MAPREDUCE-861-6.patch, MAPREDUCE-861-7.patch
>
>
> MAPREDUCE-853 proposes to introduce a hierarchy of queues into the Map/Reduce
> framework. This JIRA is for defining changes to the configuration related to
> queues.
> The current format for defining a queue and its properties is as follows:
> mapred.queue.<queue-name>.<property-name>. For e.g.
> mapred.queue.<queue-name>.acl-submit-job. The reason for using this verbose
> format was to be able to reuse the Configuration parser in Hadoop. However,
> administrators currently using the queue configuration have already indicated
> a very strong desire for a more manageable format. Since, this becomes more
> unwieldy with hierarchical queues, the time may be good to introduce a new
> format for representing queue configuration.
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