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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8797) Prevent merging regions from moving during online merge
Date Thu, 04 Jul 2013 00:25:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699633#comment-13699633
] 

Hudson commented on HBASE-8797:
-------------------------------

Integrated in hbase-0.95-on-hadoop2 #161 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/161/])
    HBASE-8797 Prevent merging regions from moving during online merge (Revision 1499465)

     Result = FAILURE
jxiang : 
Files : 
* /hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/executor/EventType.java
* /hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/master/RegionState.java
* /hbase/branches/0.95/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ClusterStatusProtos.java
* /hbase/branches/0.95/hbase-protocol/src/main/protobuf/ClusterStatus.proto
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/GeneralBulkAssigner.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MergedRegionHandler.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionMergeTransaction.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.java

                
> Prevent merging regions from moving during online merge
> -------------------------------------------------------
>
>                 Key: HBASE-8797
>                 URL: https://issues.apache.org/jira/browse/HBASE-8797
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>             Fix For: 0.98.0, 0.95.2
>
>         Attachments: trunk-8797.patch, trunk-8797_v2.1.patch, trunk-8797_v2.patch
>
>
> When two regions are merged online, they are closed but master doesn't know they should
stay closed during the merge.  If master moves them by mistake, for example, load balancer
kicks in, the merge could be messed up.

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