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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3256) Coprocessors: Coprocessor host and observer for HMaster
Date Tue, 21 Dec 2010 06:41:02 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973494#action_12973494
] 

HBase Review Board commented on HBASE-3256:
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Message from: "Jonathan Gray" <jgray@apache.org>

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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/1321/#review2132
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Ship it!


looks good.  clean and nicely commented, well done.

- Jonathan





> Coprocessors: Coprocessor host and observer for HMaster
> -------------------------------------------------------
>
>                 Key: HBASE-3256
>                 URL: https://issues.apache.org/jira/browse/HBASE-3256
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Andrew Purtell
>            Assignee: Gary Helmling
>             Fix For: 0.92.0
>
>         Attachments: HBASE-3256_initial.patch
>
>
> Implement a coprocessor host for HMaster. Hook observers into administrative operations
performed on tables: create, alter, assignment, load balance, and allow observers to modify
base master behavior. Support automatic loading of coprocessor implementation. 
> Consider refactoring the master coprocessor host and regionserver coprocessor host into
a common base class. 

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