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https://issues.apache.org/jira/browse/MAPREDUCE-861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752354#action_12752354
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Hemanth Yamijala commented on MAPREDUCE-861:
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Oh, and I also meant to add that the refreshQueues api in queue manager can be
simplified to work similarly in both the deprecated and the hierarchical case -
thereby eliminating the need to check instance of the configuration parser.
This will mean that the existing solution in deprecated queue configuration's
case where we copy ACLs and state will be done away with and we'll just switch
the roots. I think this is fair to do, given those are the only two properties
we have. This will also fix an issue we currently have in the patch where the
parsing is happening twice.
> 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
> Attachments: MAPREDUCE-861-1.patch, MAPREDUCE-861-2.patch,
> MAPREDUCE-861-3.patch, MAPREDUCE-861-4.patch, MAPREDUCE-861-5.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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