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https://issues.apache.org/jira/browse/HBASE-9696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13793153#comment-13793153
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Hudson commented on HBASE-9696:
-------------------------------
FAILURE: Integrated in HBase-TRUNK #4610 (See
[https://builds.apache.org/job/HBase-TRUNK/4610/])
HBASE-9696 Master recovery ignores online merge znode (jxiang: rev 1531435)
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/executor/EventType.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/master/RegionState.java
*
/hbase/trunk/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/SplitRandomRegionOfTableAction.java
*
/hbase/trunk/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ClusterStatusProtos.java
* /hbase/trunk/hbase-protocol/src/main/protobuf/ClusterStatus.proto
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MergedRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/SplitRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionMergeTransaction.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/SplitTransaction.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
> Master recovery ignores online merge znode
> ------------------------------------------
>
> Key: HBASE-9696
> URL: https://issues.apache.org/jira/browse/HBASE-9696
> Project: HBase
> Issue Type: Bug
> Components: master, Region Assignment
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 0.98.0, 0.96.0
>
> Attachments: 0.96-9696_v3.2.patch, 0.96-9696_v3.3.patch,
> trunk-9696.patch, trunk-9696_v2.1.patch, trunk-9696_v2.patch,
> trunk-9696_v3.1.patch, trunk-9696_v3.2.patch, trunk-9696_v3.3.patch,
> trunk-9696_v3.patch, trunk-9696_v3.patch
>
>
> The online merge znode uses the new region to be created. When master
> restarts, the new region is still unknown if the merging is not completed.
> Therefore the znode is ignored, which should not. That means the two merging
> regions could be moved around. This could cause some data loss if we are not
> luck.
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