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https://issues.apache.org/jira/browse/HBASE-7403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13612076#comment-13612076
]
Hudson commented on HBASE-7403:
-------------------------------
Integrated in hbase-0.95-on-hadoop2 #40 (See
[https://builds.apache.org/job/hbase-0.95-on-hadoop2/40/])
HBASE-7403 Online Merge(Chunhui shen) (Revision 1460310)
Result = FAILURE
zjushch :
Files :
*
/hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
*
/hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/catalog/MetaReader.java
*
/hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
*
/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/protobuf/ProtobufUtil.java
*
/hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/RequestConverter.java
*
/hbase/branches/0.95/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
*
/hbase/branches/0.95/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/AdminProtos.java
*
/hbase/branches/0.95/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/MasterAdminProtos.java
* /hbase/branches/0.95/hbase-protocol/src/main/protobuf/Admin.proto
* /hbase/branches/0.95/hbase-protocol/src/main/protobuf/MasterAdmin.proto
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/catalog/MetaEditor.java
*
/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/CatalogJanitor.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterServices.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/DispatchMergingRegionHandler.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/regionserver/CompactSplitThread.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionMergeRequest.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionMergeTransaction.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerServices.java
*
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/SplitTransaction.java
*
/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
*
/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
*
/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
*
/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransaction.java
*
/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.java
> Online Merge
> ------------
>
> Key: HBASE-7403
> URL: https://issues.apache.org/jira/browse/HBASE-7403
> Project: HBase
> Issue Type: New Feature
> Affects Versions: 0.95.0
> Reporter: chunhui shen
> Assignee: chunhui shen
> Priority: Critical
> Fix For: 0.95.0, 0.98.0
>
> Attachments: 7403-trunkv5.patch, 7403-trunkv6.patch, 7403v5.diff,
> 7403-v5.txt, 7403v5.txt, hbase-7403-0.95.patch, hbase-7403-94v1.patch,
> hbase-7403-trunkv10.patch, hbase-7403-trunkv11.patch,
> hbase-7403-trunkv12.patch, hbase-7403-trunkv13.patch,
> hbase-7403-trunkv14.patch, hbase-7403-trunkv15.patch,
> hbase-7403-trunkv16.patch, hbase-7403-trunkv19.patch,
> hbase-7403-trunkv1.patch, hbase-7403-trunkv20.patch,
> hbase-7403-trunkv22.patch, hbase-7403-trunkv23.patch,
> hbase-7403-trunkv24.patch, hbase-7403-trunkv26.patch,
> hbase-7403-trunkv28.patch, hbase-7403-trunkv29.patch,
> hbase-7403-trunkv30.patch, hbase-7403-trunkv31.patch,
> hbase-7403-trunkv32.patch, hbase-7403-trunkv33.patch,
> hbase-7403-trunkv5.patch, hbase-7403-trunkv6.patch, hbase-7403-trunkv7.patch,
> hbase-7403-trunkv8.patch, hbase-7403-trunkv9.patch, merge region.pdf
>
>
> Support executing region merge transaction on Regionserver, similar with
> split transaction
> Process of merging two regions:
> a.client sends RPC (dispatch merging regions) to master
> b.master moves the regions together (on the same regionserver where the more
> heavily loaded region resided)
> c.master sends RPC (merge regions) to this regionserver
> d.Regionserver executes the region merge transaction in the thread pool
> e.the above b,c,d run asynchronously
> Process of region merge transaction:
> a.Construct a new region merge transaction.
> b.prepare for the merge transaction, the transaction will be canceled if it
> is unavailable,
> e.g. two regions don't belong to same table; two regions are not adjacent in
> a non-compulsory merge; region is closed or has reference
> c.execute the transaction as the following:
> /**
> * Set region as in transition, set it into MERGING state.
> */
> SET_MERGING_IN_ZK,
> /**
> * We created the temporary merge data directory.
> */
> CREATED_MERGE_DIR,
> /**
> * Closed the merging region A.
> */
> CLOSED_REGION_A,
> /**
> * The merging region A has been taken out of the server's online regions
> list.
> */
> OFFLINED_REGION_A,
> /**
> * Closed the merging region B.
> */
> CLOSED_REGION_B,
> /**
> * The merging region B has been taken out of the server's online regions
> list.
> */
> OFFLINED_REGION_B,
> /**
> * Started in on creation of the merged region.
> */
> STARTED_MERGED_REGION_CREATION,
> /**
> * Point of no return. If we got here, then transaction is not recoverable
> * other than by crashing out the regionserver.
> */
> PONR
> d.roll back if step c throws exception
> Usage:
> HBaseAdmin#mergeRegions
> See more details from the patch
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