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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2802) Stop daughter regions both being assigned same server
Date Tue, 29 Jun 2010 01:59:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-2802:
-------------------------

    Attachment: moz.txt

> Stop daughter regions both being assigned same server
> -----------------------------------------------------
>
>                 Key: HBASE-2802
>                 URL: https://issues.apache.org/jira/browse/HBASE-2802
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: stack
>             Fix For: 0.20.6, 0.21.0
>
>         Attachments: moz.txt
>
>
> On split, usually the two daughter regions end up on assignment list at same time.  Dependent
on cluster state and what balancer says, when a server checks in, we'll assign at least two
regions in the one go so daughters then end up on same server.  This patch makes it so we
don't assign contiguous regions in the one assignment.

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