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https://issues.apache.org/jira/browse/HBASE-19021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217180#comment-16217180
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Hudson commented on HBASE-19021:
--------------------------------
ABORTED: Integrated in Jenkins build HBase-Trunk_matrix #3942 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/3942/])
HBASE-19021 Restore a few important missing logics for balancer in 2.0
(jerryjch: rev 9716f62f43195ef024ac7a4bafb93a4716a7323e)
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStates.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/TestRegionRebalancing.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java
> Restore a few important missing logics for balancer in 2.0
> ----------------------------------------------------------
>
> Key: HBASE-19021
> URL: https://issues.apache.org/jira/browse/HBASE-19021
> Project: HBase
> Issue Type: Bug
> Reporter: Jerry He
> Assignee: Jerry He
> Priority: Critical
> Fix For: 2.0.0-alpha-4
>
> Attachments: HBASE-19021-master-v2.patch, HBASE-19021-master.patch,
> HBASE-19021-master.patch
>
>
> After looking at the code, and some testing, I see the following things are
> missing for balancer to work properly after AMv2.
> # hbase.master.loadbalance.bytable is not respected. It is always 'bytable'.
> Previous default is cluster wide, not by table.
> # Servers with no assignments is not added for balance consideration.
> # Crashed server is not removed from the in-memory server map in
> RegionStates, which affects balance.
> # Draining marker is not respected when balance.
> Also try to re-enable {{TestRegionRebalancing}}, which has a
> {{testRebalanceOnRegionServerNumberChange}}
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