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https://issues.apache.org/jira/browse/HBASE-26309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17438243#comment-17438243
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Hudson commented on HBASE-26309:
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Results for branch branch-2
[build #384 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/384/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/384/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/384/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/384/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/384/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> 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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