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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8339) Make sure the StochasticLoadBalancer doesn't run a cost function when not needed
Date Sat, 13 Apr 2013 02:44:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630889#comment-13630889
] 

Hudson commented on HBASE-8339:
-------------------------------

Integrated in hbase-0.95-on-hadoop2 #67 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/67/])
    HBASE-8339 Make sure the StochasticLoadBalancer doesn't run a cost function when not needed
(Revision 1467518)

     Result = FAILURE
eclark : 
Files : 
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java

                
> Make sure the StochasticLoadBalancer doesn't run a cost function when not needed
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-8339
>                 URL: https://issues.apache.org/jira/browse/HBASE-8339
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.95.1
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 0.98.0, 0.95.1
>
>         Attachments: HBASE-8339-0.patch, HBASE-8339-1.patch
>
>
> The cost multiplier of a cost function could be 0.  If that is the case there's no need
to compute that stat's cost each time.

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