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Posted to issues@hbase.apache.org by "Elliott Clark (JIRA)" <ji...@apache.org> on 2015/04/01 18:29:54 UTC

[jira] [Updated] (HBASE-6143) Make region assignment smarter when regions are re-enabled.

     [ https://issues.apache.org/jira/browse/HBASE-6143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Elliott Clark updated HBASE-6143:
---------------------------------
    Attachment: HBASE-6143-v1.patch

Attaching a patch just to get QA to chew on it. I still need to work on the tests but the rest of the code is pretty close.

Balancer now has two different methods. One fast, and one regular. This should mean that when server shut down handler, or table enable handler are called the balance they use can be much better.

> Make region assignment smarter when regions are re-enabled.
> -----------------------------------------------------------
>
>                 Key: HBASE-6143
>                 URL: https://issues.apache.org/jira/browse/HBASE-6143
>             Project: HBase
>          Issue Type: Improvement
>          Components: Balancer
>    Affects Versions: 0.98.0, 0.95.1
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>            Priority: Critical
>         Attachments: 6143-v1.txt, 6143-v2.txt, 6143-v3.txt, HBASE-6143-0.patch, HBASE-6143-1.patch, HBASE-6143-v1.patch
>
>
> Right now a random region server is picked when re-enabling a table. This could be much smarter.



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