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https://issues.apache.org/jira/browse/HBASE-12005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141226#comment-14141226
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Hudson commented on HBASE-12005:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #5533 (See 
[https://builds.apache.org/job/HBase-TRUNK/5533/])
HBASE-12005 Split/merge fails if master restarts before PONR (jxiang: rev 
b4c07e9a80aecdfd829670e513daa8b6469973e7)
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/master/RegionState.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java


> Split/merge fails if master restarts before PONR
> ------------------------------------------------
>
>                 Key: HBASE-12005
>                 URL: https://issues.apache.org/jira/browse/HBASE-12005
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>             Fix For: 2.0.0
>
>         Attachments: hbase-12005.patch, hbase-12005_v1.1.patch
>
>
> This applies to RPC based assignment. The root cause is that we don't persist 
> the state of the new region(s). If we do persist it, we need to clean it up 
> if the split/merge fails.



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