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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-3337) Restore HBCK fix of unassignment and dupe assignment for new master
Date Tue, 14 Dec 2010 19:59:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jonathan Gray updated HBASE-3337:

    Attachment: HBASE-3337-final.patch

Final patch which removes HBASE-3332 and changes hbck server name constant.

> Restore HBCK fix of unassignment and dupe assignment for new master
> -------------------------------------------------------------------
>                 Key: HBASE-3337
>                 URL: https://issues.apache.org/jira/browse/HBASE-3337
>             Project: HBase
>          Issue Type: Bug
>          Components: master, util
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>            Priority: Critical
>             Fix For: 0.90.0, 0.92.0
>         Attachments: HBASE-3337-final.patch, HBASE-3337-v2.patch, HBASE-3337-v3.patch
> HBCK fixing of region unassignment and duplicate assignment was broken with the move
to the new master.
> We've seen it happen doing testing of 0.90 RCs like that over in HBASE-3332.
> Rather than the old "clear everything out approach" which relied on the BaseScanner,
in the new master we should just manipulate unassigned ZK nodes and let the master handle
the transition.

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