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https://issues.apache.org/jira/browse/HBASE-20133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416639#comment-16416639
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Hudson commented on HBASE-20133:
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Results for branch HBASE-19064
[build #77 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/77/]:
(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://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/77//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/77//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/77//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> Calculate correct assignment and build region movement plans for mis-placed
> regions in one pass
> -----------------------------------------------------------------------------------------------
>
> Key: HBASE-20133
> URL: https://issues.apache.org/jira/browse/HBASE-20133
> Project: HBase
> Issue Type: Improvement
> Components: rsgroup
> Reporter: Xiang Li
> Assignee: Xiang Li
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: HBASE-20133.master.000.patch,
> HBASE-20133.master.001.patch, HBASE-20133.master.002.patch
>
>
> In RSGroupBasedLoadBalancer#balanceCluster(clusterState), the logic could be
> improved:
> correctAssignment() builds a map for mis-placed and placed regions. For
> mis-placed regions, the key(ServerName) is BOGUS_SERVER_NAME. Then the logic
> gets those mis-paced regions out and calls findServerForRegion() several
> times to find out the current host server, in order to build RegionPlan for
> movement.
> Some logic in correctAssignment() and findServerForRegion() could be merged
> so as to build both corrected assignment and RegionPlan for mis-placed region
> in one pass. As a result, findServerForRegion() could be removed if I get it
> correctly.
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