[jira] Commented: (HBASE-3053) Add ability to have multiple Masters LocalHBaseCluster for test writing

["HBase Review Board (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-3053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916328#action_12916328 ] 

HBase Review Board commented on HBASE-3053:
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Message from: "Jonathan Gray" <jg...@apache.org>

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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/925/
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(Updated 2010-09-29 17:39:07.962079)


Review request for hbase, stack, Karthik Ranganathan, and Kannan Muthukkaruppan.


Changes
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Whitespace cleanup


Summary
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To really be able to unit test the new master properly, we need to be able to have multiple masters running at once within a single logical cluster.

Also exposes methods to get the currently active master and can access each individually in the same way that it's done for multiple RS.

This is mostly duplicating what we do for RS but for masters.


This addresses bug HBASE-3053.
    http://issues.apache.org/jira/browse/HBASE-3053


Diffs (updated)
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  trunk/src/main/java/org/apache/hadoop/hbase/HConstants.java 1002883 
  trunk/src/main/java/org/apache/hadoop/hbase/LocalHBaseCluster.java 1002883 
  trunk/src/main/java/org/apache/hadoop/hbase/master/HMaster.java 1002883 
  trunk/src/main/java/org/apache/hadoop/hbase/master/HMasterCommandLine.java 1002883 
  trunk/src/main/java/org/apache/hadoop/hbase/util/JVMClusterUtil.java 1002883 
  trunk/src/test/java/org/apache/hadoop/hbase/MiniHBaseCluster.java 1002883 

Diff: http://review.cloudera.org/r/925/diff


Testing
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Untested but compiles.  This is first go at a patch.  I'm going to work on writing a new unit test that uses this next.


Thanks,

Jonathan




> Add ability to have multiple Masters LocalHBaseCluster for test writing
> -----------------------------------------------------------------------
>
>                 Key: HBASE-3053
>                 URL: https://issues.apache.org/jira/browse/HBASE-3053
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, test
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>             Fix For: 0.90.0
>
>
> To really be able to unit test the new master properly, we need to be able to have multiple masters running at once within a single logical cluster.
> Should expose some methods like getActiveMaster() and isActiveMaster() as well as a simple way to kill an individual master / kill the active master.

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