[ 
https://issues.apache.org/jira/browse/HBASE-12122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14157323#comment-14157323
 ] 

Hudson commented on HBASE-12122:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #5610 (See 
[https://builds.apache.org/job/HBase-TRUNK/5610/])
HBASE-12122 Try not to assign user regions to master all the time (jxiang: rev 
a463aef8bce2d2f3f4ce7c5684f28b78767b0bfb)
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/fs/TestBlockReorder.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/ClusterLoadState.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/BalancerTestBase.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterMetrics.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/SimpleLoadBalancer.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java


> Try not to assign user regions to master all the time
> -----------------------------------------------------
>
>                 Key: HBASE-12122
>                 URL: https://issues.apache.org/jira/browse/HBASE-12122
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>            Priority: Minor
>             Fix For: 2.0.0, 0.99.1
>
>         Attachments: hbase-12122.patch, hbase-12122_v2.patch
>
>
> Load balancer does a good job not to assign regions of tables not configured 
> to put on the active master. However, if there is no other region server, it 
> still assigns users regions to the master. This happens when all normal 
> region servers are crashed and recovering.



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