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https://issues.apache.org/jira/browse/HBASE-17167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15704545#comment-15704545
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stack commented on HBASE-17167:
-------------------------------

Yeah, the protoc error says...

{code}
...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 18.296s
[INFO] Finished at: Tue Nov 29 04:20:52 UTC 2016
[INFO] Final Memory: 69M/1600M
[INFO] ------------------------------------------------------------------------
[WARNING] The requested profile "compile-protobuf" could not be activated 
because it does not exist.
{code}

... complaining about missing protocs.   We need to fix. HBASE-17119. There is 
another issue for skipping findbugs.

I looked at the patch +1 (thanks for the gymnastics that tried to keep setting 
mvcc package private).  TestMvccConsistentScanner could go into the atomicity 
tests. Can do that later.

+1



> 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-v1.patch, HBASE-17167-v2.patch, 
> HBASE-17167-v3.patch, HBASE-17167-v4.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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