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From "Arun C Murthy (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-824) Support a hierarchy of queues in the capacity scheduler
Date Tue, 18 Oct 2011 07:02:11 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-824:
------------------------------------

    Release Note: Support hierarchical queues in the CapacityScheduler to allow for more predictable
sharing of cluster resources.

Editorial pass over 0.21/0.22/0.23 content for hadoop-0.23.
                
> Support a hierarchy of queues in the capacity scheduler
> -------------------------------------------------------
>
>                 Key: MAPREDUCE-824
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-824
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: contrib/capacity-sched
>            Reporter: Hemanth Yamijala
>            Assignee: rahul k singh
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-824-1.patch, HADOOP-824-2.patch, HADOOP-824-3.patch, HADOOP-824-4.patch,
HADOOP-824-5.patch, MAPREDUCE-824-6.patch, MAPREDUCE-824-7.patch
>
>
> Currently in Capacity Scheduler, cluster capacity is divided among the queues based on
the queue capacity. These queues typically represent an organization and the capacity of the
queue represents the capacity the organization is entitled to. Most organizations are large
and need to divide their capacity among sub-organizations they have. Or they may want to divide
the capacity based on a category or type of jobs they run. This JIRA covers the requirements
and other details to provide the above feature.

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