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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17167) Pass mvcc to client when scan
Date Wed, 30 Nov 2016 07:33:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15707847#comment-15707847
] 

Hudson commented on HBASE-17167:
--------------------------------

SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #2045 (See [https://builds.apache.org/job/HBase-Trunk_matrix/2045/])
HBASE-17167 Pass mvcc to client when scan (zhangduo: rev 890fcbd0e6f916cc94b45b881b0cc060cc1e835c)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* (add) hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMvccConsistentScanner.java
* (add) hbase-client/src/main/java/org/apache/hadoop/hbase/client/PackagePrivateFieldAccessor.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSink.java
* (edit) hbase-protocol-shaded/src/main/protobuf/Client.proto
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/ProtobufUtil.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTags.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
* (edit) hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ClientProtos.java
* (edit) hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/ClientProtos.java
* (edit) hbase-protocol/src/main/protobuf/Client.proto
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/client/ScannerCallable.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/client/Scan.java


> Pass mvcc to client when scan
> -----------------------------
>
>                 Key: HBASE-17167
>                 URL: https://issues.apache.org/jira/browse/HBASE-17167
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, scan
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-17167-branch-1-v1.patch, HBASE-17167-branch-1-v2.patch, HBASE-17167-branch-1.patch,
HBASE-17167-v1.patch, HBASE-17167-v2.patch, HBASE-17167-v3.patch, HBASE-17167-v4.patch, HBASE-17167-v5.patch,
HBASE-17167.patch
>
>
> For the current implementation, if we use batch or allowPartial when scan, then the row
level atomic can not be guaranteed if we need to restart a scan in the middle of a record
due to region move or something else.
> We can return the mvcc used to open scanner to client and client could use this mvcc
to restart a scan to get row level atomic.



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