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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12139) StochasticLoadBalancer doesn't work on large lightly loaded clusters
Date Wed, 01 Oct 2014 07:37:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154507#comment-14154507
] 

Elliott Clark commented on HBASE-12139:
---------------------------------------

https://reviews.facebook.net/D24285

> StochasticLoadBalancer doesn't work on large lightly loaded clusters
> --------------------------------------------------------------------
>
>                 Key: HBASE-12139
>                 URL: https://issues.apache.org/jira/browse/HBASE-12139
>             Project: HBase
>          Issue Type: Bug
>          Components: Balancer, master
>    Affects Versions: 0.99.0, 2.0.0, 0.98.6.1
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>            Priority: Critical
>             Fix For: 2.0.0, 0.98.7, 0.99.1
>
>
> If you have a cluster with > 200 nodes and a small table (< 50 regions) the StochasticLoadBalancer
doesn't work at all. It is not correctly scaling the required values.  



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