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From "Manukranth Kolloju (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12559) Provide LoadBalancer with online configuration capability
Date Fri, 28 Nov 2014 15:58:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14228351#comment-14228351
] 

Manukranth Kolloju commented on HBASE-12559:
--------------------------------------------

I noticed the part where the master synchronizes on the balancer before entering the balance()
call inside the balancer. The current patch looks good to me. 

> Provide LoadBalancer with online configuration capability
> ---------------------------------------------------------
>
>                 Key: HBASE-12559
>                 URL: https://issues.apache.org/jira/browse/HBASE-12559
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.0.0
>
>         Attachments: 12559-v1.txt, 12559-v2.txt, 12559-v3.txt, 12559-v4.txt
>
>
> StochasticLoadBalancer has many knobs which user can adjust.
> It would increase productivity by allowing StochasticLoadBalancer to accept online configuration
changes.
> LoadBalancer already implements setConf(Configuration) method which reloads relevant
configuration parameters.
> We need to add updateMasterConfiguration() method to Admin which invokes the setConf()
method.



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