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Date: Tue, 21 Dec 2010 15:47:03 -0500 (EST)
From: "Gary Helmling (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Subject: [jira] Resolved: (HBASE-3256) Coprocessors: Coprocessor host and
 observer for HMaster
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     [ https://issues.apache.org/jira/browse/HBASE-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Helmling resolved HBASE-3256.
----------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

Committed to trunk.  Thanks for review jgray and apurtell!

> 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_final.patch, 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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