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https://issues.apache.org/jira/browse/MAPREDUCE-893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756680#action_12756680
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rahul k singh commented on MAPREDUCE-893:
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A quick comment:
QueueManager.java
1. refresh of schedulingInfo in refreshQueue method is incorrect.
this.root.copySchedulingInfo(cp.getRoot());
//instead of above line is should be
cp.getRoot().copySchedulingInfo(root);
at this stage we know that cp is fully updated. so we can initialize the
other containers in QM.
> 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
>
>
> 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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