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Posted to issues@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/07/01 20:45:00 UTC

[jira] [Closed] (HBASE-14110) Add CostFunction for balancing primary region replicas

     [ https://issues.apache.org/jira/browse/HBASE-14110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-14110.
---------------------------------------

> Add CostFunction for balancing primary region replicas
> ------------------------------------------------------
>
>                 Key: HBASE-14110
>                 URL: https://issues.apache.org/jira/browse/HBASE-14110
>             Project: HBase
>          Issue Type: Improvement
>          Components: Balancer
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Major
>             Fix For: 1.2.0, 1.3.0, 2.0.0
>
>         Attachments: 14110-v1.txt
>
>
> Currently replicas for the same region are spread across region servers.
> However, one region server may serve disproportionately high number of primary region replicas. This has been observed in production cluster.
> This issue adds PrimaryRegionCountSkewCostFunction which facilitates balancing primary region replicas evenly across region servers.
> Thanks to Enis for fruitful discussion.



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