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https://issues.apache.org/jira/browse/HBASE-26309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clara Xiong updated HBASE-26309:
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Summary: Balancer tends to move regions to the server at the end of list
(was: Balancer tend to move regions to the server at the end of list)
> Balancer tends to move regions to the server at the end of list
> ---------------------------------------------------------------
>
> Key: HBASE-26309
> URL: https://issues.apache.org/jira/browse/HBASE-26309
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Reporter: Clara Xiong
> Assignee: Clara Xiong
> Priority: Major
>
> When we have a cohosted regions, cohosted replica distribution has priority
> to region count skew. So we won't see region count getting balanced until
> the replicas distributed. During this time, master UI shows a drift of
> regions to the server at the end of list and causes significant overload.
> This shows a bias of random region pick and needs to be addressed.
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