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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAPREDUCE-853) Support a hierarchy of queues in the Map/Reduce framework
Date Fri, 18 Sep 2009 16:02:16 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Hemanth Yamijala resolved MAPREDUCE-853.

    Resolution: Fixed

All the three sub tasks associated to this JIRA are resolved. So, resolving the ticket.

> Support a hierarchy of queues in the Map/Reduce framework
> ---------------------------------------------------------
>                 Key: MAPREDUCE-853
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-853
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: jobtracker
>            Reporter: Hemanth Yamijala
>             Fix For: 0.21.0
> In MAPREDUCE-824, we proposed introducing a hierarchy of queues in the capacity scheduler.
Currently, the M/R framework provides the notion of job queues and handles some functionality
related to queues in a scheduler-agnostic manner. This functionality includes:
> - Managing the list of ACLs for queues
> - Managing the run state of queues - running or stopped
> - Displaying scheduling information about queues in the jobtracker web UI and job client
> - Displaying list of jobs in a queue in the jobtracker web UI and job client CLI
> - Providing APIs for list queues and queue information in JobClient.
> Since it would be beneficial to extend this functionality to hierarchical queues, this
JIRA is proposing introducing the concept into the map/reduce framework as well. We could
treat this as an umbrella JIRA and file additional tasks for each of the changes involved,
sticking to the high level approach in this JIRA.

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