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https://issues.apache.org/jira/browse/HBASE-8339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630710#comment-13630710
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Sergey Shelukhin commented on HBASE-8339:
-----------------------------------------

+1
                
> 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
>         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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