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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1391) HBase administration
Date Sun, 03 Jun 2007 08:59:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12501008
] 

Jim Kellerman commented on HADOOP-1391:
---------------------------------------

Changes for part 2: merge:

MiniHBaseCluster
- Add constructor so the mini HBase cluster can be started on a
  running HDFS cluster. 

AbstractMergeTestBase, TestMergeMeta, TestMergeTable
- new test case for table merging.

HClient
- checkMaster throws MasterNotRunningException
- add isMasterRunning
- removed empty mergeRegions method

HMaster
- moved bootstrap region creation (createNewHRegion, addRegionToMeta)
  to HRegion 
- removed empty mergeRegions method

HMasterInterface
- removed mergeRegions method

HMerge
- new module. Implements merge as a client side operation

HRegion
- moved createNewHRegion, addRegionInfoToMeta from HMaster to here
- added method largestHStore, used by merge to determine if two
  regions should be merged.

HRegionInfo
- now implements WritableComparable instead of just Writable

HRegionServer
- removed old commented out merge code

HTableDescriptor
- removed unused import



> HBase administration
> --------------------
>
>                 Key: HADOOP-1391
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1391
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.14.0
>            Reporter: Jim Kellerman
>            Assignee: Jim Kellerman
>            Priority: Minor
>             Fix For: 0.14.0
>
>         Attachments: patch.txt, patch.txt, patch.txt, patch.txt
>
>
> Enhance HBase administration API
> - Add/delete column to existing table
> - Take table off-line, put it on-line
> - RECORD, BLOCK or NO compression
> - Merge two regions

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