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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3328) Admin API: Explicit Split Points
Date Sun, 12 Dec 2010 07:24:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12970583#action_12970583
] 

HBase Review Board commented on HBASE-3328:
-------------------------------------------

Message from: "Nicolas" <nspiegelberg@facebook.com>

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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/1281/
-----------------------------------------------------------

(Updated 2010-12-11 23:21:55.350465)


Review request for hbase.


Changes
-------

I was porting this from my 0.89 diff.  In 0.90, we can just directly add an HRegionInterface
RPC and not worry about incrementing the HRegionInfo VERSION.  Much cleaner and allows for
rolling upgrades / mixed version environments.


Summary
-------

Add the ability to explicitly split an existing region at a user-specified point. Currently,
you can disable automated splitting and can presplit a newly-created table at explicit boundaries,
but cannot explicitly bound a split of an existing region.


This addresses bug HBASE-3328.
    http://issues.apache.org/jira/browse/HBASE-3328


Diffs (updated)
-----

  src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java 2fba18e 
  src/main/java/org/apache/hadoop/hbase/ipc/HRegionInterface.java 2c109ae 
  src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java cf9cad0 
  src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java 26b4c10 
  src/main/java/org/apache/hadoop/hbase/regionserver/Store.java 4717938 
  src/test/java/org/apache/hadoop/hbase/client/TestAdmin.java 8560d22 

Diff: http://review.cloudera.org/r/1281/diff


Testing
-------

- mvn test -Dtest=TestAdmin
- mvn test (underway)
- cluster testing
Note: this was primarily cluster-tested with 0.89 master.


Thanks,

Nicolas




> Admin API: Explicit Split Points
> --------------------------------
>
>                 Key: HBASE-3328
>                 URL: https://issues.apache.org/jira/browse/HBASE-3328
>             Project: HBase
>          Issue Type: Improvement
>          Components: client, ipc
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>            Priority: Minor
>
> Add the ability to explicitly split an existing region at a user-specified point.  Currently,
you can disable automated splitting and can presplit a newly-created table at explicit boundaries,
but cannot explicitly bound a split of an existing region.

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