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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-893) Provide an ability to refresh queue configuration without restart.
Date Fri, 18 Sep 2009 13:24:18 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757159#action_12757159
] 

Vinod K V commented on MAPREDUCE-893:
-------------------------------------

Either I am dreaming or I am just too lucky, this patch is the only one in the path-queue!
Am running sanity tests (integration) locally.

> Provide an ability to refresh queue configuration without restart.
> ------------------------------------------------------------------
>
>                 Key: MAPREDUCE-893
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-893
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>            Reporter: Hemanth Yamijala
>            Assignee: Vinod K V
>             Fix For: 0.21.0
>
>         Attachments: MAPREDUCE-893-20090915.1.txt, MAPREDUCE-893-20090917.2.txt, MAPREDUCE-893-20090917.4.txt,
MAPREDUCE-893-20090918.2.txt, MAPREDUCE-893-20090918.txt
>
>
> While administering a cluster using multiple queues, administrators feel a need to refresh
queue properties on the fly without needing to restart the JobTracker. This is partially supported
for some properties such as queue ACLs (HADOOP-5396) and state (HADOOP-5913). The idea is
to extend the facility to refresh other queue properties as well, including scheduler properties.

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