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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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Duo Zhang resolved HBASE-26309.
-------------------------------
Fix Version/s: 2.4.9
3.0.0-alpha-2
2.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to branch-2.4+.
Thanks [~claraxiong].
> 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: Improvement
> Components: Balancer
> Reporter: Clara Xiong
> Assignee: Clara Xiong
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-2, 2.4.9
>
>
> When we have cohosted replicas, 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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