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Posted to issues@hbase.apache.org by "Ray Mattingly (Jira)" <ji...@apache.org> on 2025/04/27 18:45:00 UTC

[jira] [Resolved] (HBASE-29262) StochasticLoadBalancer should use the CostFunction epsilon when evaluating whether a move improved costs

     [ https://issues.apache.org/jira/browse/HBASE-29262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ray Mattingly resolved HBASE-29262.
-----------------------------------
    Fix Version/s: 4.0.0-alpha-1
                   2.7.0
                   3.0.0-beta-2
     Release Note: This reduces the potential frivolous balancer moves due to floating point imprecision 
       Resolution: Fixed

> StochasticLoadBalancer should use the CostFunction epsilon when evaluating whether a move improved costs
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-29262
>                 URL: https://issues.apache.org/jira/browse/HBASE-29262
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ray Mattingly
>            Assignee: Ray Mattingly
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0-alpha-1, 2.7.0, 3.0.0-beta-2
>
>
> StochasticLoadBalancer should use the CostFunction epsilon when evaluating whether a move improved costs. Right now the balancer might make superfluous / low-value moves due to floating-point imprecision.



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